{"title":"Chainrings","description":"Improve your drivetrain performance with our high-quality bicycle chainrings. Precisely manufactured and durable, they offer optimal tooth profiles and shifting performance for every ride. Discover our range now and optimize your cycling experience.","products":[{"product_id":"sram-kettenblatt-42-zahne-lochkreis-130-mm-rennrad-innen","title":"SRAM chainring 42 teeth bolt circle diameter 130 mm road bike 10-\/11-speed (inner)","description":"\u003cp\u003eThe \u003cstrong\u003eSRAM 42-tooth chainring\u003c\/strong\u003e with a \u003cstrong\u003e130 mm bolt circle diameter\u003c\/strong\u003e was specifically developed for road cyclists seeking maximum efficiency and durability. This inner chainring ensures precise, smooth shifting and offers the robust quality required for demanding routes. Ideal for combining with an outer 54\/55T chainring for a 2x10- or 2x11-speed drivetrain - the perfect choice for road cyclists who value every detail.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eFeatures:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e42 teeth for optimal gearing and shifting performance\u003c\/li\u003e\n\u003cli\u003eBolt circle diameter: 130 mm\u003c\/li\u003e\n\u003cli\u003eHigh stiffness and durability\u003c\/li\u003e\n\u003cli\u003eSuitable for road bikes with 2x10\/11-speed drivetrains\u003c\/li\u003e\n\u003cli\u003eFor combination with an outer 54\/55T chainring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eSpecifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e SRAM 42-tooth road bike chainring (inner)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e 130 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 42\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x SRAM 42-tooth chainring, 130 mm bolt circle diameter (inner), 2x10\/11-speed drivetrain\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEAN:\u003c\/strong\u003e 710845665868 | \u003cstrong\u003eManufacturer no.:\u003c\/strong\u003e 11.6215.197.000\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":48580867162377,"sku":"D10C4","price":3.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/sram-kettenblatt-42-zahne-lochkreis-130-mm-rennrad-10-11-fach-innen-523426.webp?v=1729279069"},{"product_id":"fsa-sl-k-direct-mount-kettenblatter-53-39t-fur-12-fach-shimano","title":"FSA SL-K Direct Mount chainrings 53\/39T | for 12-speed Shimano","description":"\u003cp\u003e\u003cstrong\u003eFSA SL-K Direct Mount chainrings 53\/39 teeth - precise 2-speed performance for 12-speed drivetrains.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eFSA SL-K Direct Mount (DM) chainrings\u003c\/strong\u003e with \u003cstrong\u003e53\/39 teeth\u003c\/strong\u003e were developed for modern \u003cstrong\u003e2-speed road bike drivetrains\u003c\/strong\u003e. They are compatible with \u003cstrong\u003eShimano and FSA 12-speed\u003c\/strong\u003e systems and offer smooth shifting and high drivetrain stiffness.\u003c\/p\u003e\n\u003cp\u003eThanks to the Direct Mount interface, they provide direct power transfer while reducing weight. Ideal for ambitious road cyclists who value performance and reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eHighlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e53\/39 teeth:\u003c\/strong\u003e classic road bike setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Mount:\u003c\/strong\u003e direct and stiff connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-speed compatible:\u003c\/strong\u003e Shimano \u0026amp; FSA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSL-K series:\u003c\/strong\u003e lightweight and performance-oriented.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e black.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eTechnical data:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e SL-K\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e chainring set\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Direct Mount (DM)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 53 \/ 39\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Shimano \u0026amp; FSA 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e approx. 310 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x FSA SL-K Direct Mount chainrings 53\/39T\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003e\n  workshop packaging\n\u003c\/a\u003e - securely packaged, without original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer's item no.:\u003c\/strong\u003e 370-0224007050 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 47711233864050\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e“Direct power transfer and precise shifting performance - the SL-K Direct Mount set for sporty road bike setups.”\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":56849408590089,"sku":"M3D2","price":57.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/fsa-sl-k-direct-mount-kettenblatter-5339t-fur-12-fach-shimano-5636609.jpg?v=1772370279"},{"product_id":"fsa-aero-tt-kettenblatt-55t-5-arm-130-bcd-1x11-fach","title":"FSA Aero TT chainring 55 teeth | 5-arm 130 BCD | 2x11-speed","description":"\u003cp\u003e\u003cstrong\u003eAerodynamic 55T chainring for time trials \u0026amp; triathlon.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eFSA Aero TT chainring\u003c\/strong\u003e with \u003cstrong\u003e55 teeth\u003c\/strong\u003e was specifically developed for aerodynamic road bike, time trial and triathlon setups. Its enclosed aero design reduces air turbulence and ensures optimized performance at high speeds.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e130 mm bolt circle diameter (BCD)\u003c\/strong\u003e and \u003cstrong\u003e5-arm mounting\u003c\/strong\u003e, the chainring is compatible with corresponding road bike cranksets. Designed for \u003cstrong\u003e2x11-speed drivetrains\u003c\/strong\u003e, it provides precise power transfer in competition conditions. This outer chainring is ideal for combination with a 42-tooth inner chainring.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eHighlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e55 teeth:\u003c\/strong\u003e ideal for high speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAero design:\u003c\/strong\u003e optimized for TT \u0026amp; triathlon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e130 mm BCD:\u003c\/strong\u003e classic road bike standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-arm mounting:\u003c\/strong\u003e compatible with common cranksets.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x11-speed:\u003c\/strong\u003e for modern drivetrain systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero TT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 55T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e 130 mm (BCD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 5-arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e time trials, triathlon, aero road bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x FSA Aero TT 55T chainring\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal=\"\"\u003e workshop packaging \u003c\/a\u003e - securely packaged, without original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part no.:\u003c\/strong\u003e 36800008008010 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 4713170250248\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e“Maximum aerodynamics for record times – the 55T Aero chainring from FSA for uncompromising speed setups.”\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":56849424613641,"sku":"B3C1","price":24.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/fsa-aero-tt-kettenblatt-55-zahne-5-arm-130-bcd-2x11-fach-1911972.jpg?v=1772370273"},{"product_id":"vision-powerbox-sl-k-kettenblatt-44-zahne-110-bcd-12-fach","title":"VISION Powerbox \/ SL-K chainring 44 teeth | 110 BCD | 12-speed","description":"\u003cp\u003e\u003cstrong\u003ePrecise 44T chainring for Vision Powerbox \u0026amp; FSA SL-K 2x12-speed systems.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eVISION \/ FSA 44-tooth chainring\u003c\/strong\u003e with a \u003cstrong\u003e110 mm asymmetric bolt circle\u003c\/strong\u003e was specially developed for \u003cstrong\u003ePowerbox ABS\u003c\/strong\u003e and \u003cstrong\u003eSL-K Light ABS\u003c\/strong\u003e cranksets. It is compatible with \u003cstrong\u003eShimano 12-speed\u003c\/strong\u003e road bike drivetrains and ensures clean, fast shifting.\u003c\/p\u003e\n\u003cp\u003eMade from high-quality \u003cstrong\u003eAL7075\/T6 aluminium\u003c\/strong\u003e and precisely \u003cstrong\u003eCNC-machined\u003c\/strong\u003e, the chainring offers an optimal combination of stiffness, durability and low weight. The black anodized finish with laser-engraved logo underlines its high-quality appearance.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eHighlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e44 teeth:\u003c\/strong\u003e for 2x12-speed road bike setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110 mm asymmetric BCD:\u003c\/strong\u003e compatible with Powerbox \/ SL-K ABS.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAL7075\/T6:\u003c\/strong\u003e CNC-machined \u0026amp; particularly stiff.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShimano 12-speed compatible:\u003c\/strong\u003e precise shifting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStealth Black:\u003c\/strong\u003e black anodized with laser logo.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Vision \/ FSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Powerbox \/ SL-K ABS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 44T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e 110 mm (asymmetric)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Shimano 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e AL7075\/T6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Stealth Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging unit:\u003c\/strong\u003e 1 piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x Vision \/ FSA 44T 110 mm chainring\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003e\n  workshop packaging\n\u003c\/a\u003e - securely packaged, without original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer part no.:\u003c\/strong\u003e 67000478010050 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 4711233867884\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e“CNC-machined precision for clean shifting – the 44T chainring for modern 12-speed road bike setups.”\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":56849481269513,"sku":"M2D3","price":15.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/vision-powerbox-sl-k-kettenblatt-44-zahne-110-bcd-12-fach-3405773.jpg?v=1772370269"},{"product_id":"vision-aero-tt-kettenblatt-54-zahne-5-arm-130-bcd-2x11-fach","title":"Vision Aero TT chainring 54 teeth | 5-arm 130 BCD | 2x11-speed","description":"\u003cp\u003e\u003cstrong\u003eAerodynamic 55T chainring for time trials \u0026amp; triathlon.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eFSA Aero TT chainring\u003c\/strong\u003e with \u003cstrong\u003e54 teeth\u003c\/strong\u003e was specially developed for aerodynamic road bike, time trial and triathlon setups. The closed Aero design reduces air turbulence and ensures optimized performance at high speeds.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e130 mm bolt circle diameter (BCD)\u003c\/strong\u003e and \u003cstrong\u003e5-arm mounting\u003c\/strong\u003e, the chainring is compatible with corresponding road bike cranks. Designed for \u003cstrong\u003e2x11-speed drivetrains\u003c\/strong\u003e, it offers precise power transmission in competition use. This outer chainring is ideal for combination with a 42-tooth inner chainring.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eHighlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e54 teeth:\u003c\/strong\u003e ideal for high speeds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAero design:\u003c\/strong\u003e optimized for TT \u0026amp; triathlon.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e130 mm BCD:\u003c\/strong\u003e classic road bike standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e5-arm mounting:\u003c\/strong\u003e compatible with common cranks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2x11-speed:\u003c\/strong\u003e for modern drivetrain systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical data:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero TT\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 54T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e 130 mm (BCD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 5-arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e time trials, triathlon, aero road bikes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x FSA Aero TT 54T chainring\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal=\"\"\u003e workshop packaging \u003c\/a\u003e - securely packaged, without original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part no.:\u003c\/strong\u003e 36800009011010 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 4713170250255\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e“Maximum aerodynamics for record times – the 54T Aero chainring from FSA for uncompromising speed setups.”\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":56850572574985,"sku":"B5D1","price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/vision-aero-tt-kettenblatt-54-zahne-5-arm-130-bcd-2x11-fach-6054418.jpg?v=1772370272"},{"product_id":"fsa-megatooth-kettenblatt-40t-120-bcd-4-arm-1x13-fach","title":"FSA MegaTooth chainring 40T | 120 BCD | 4-arm | 1x13-speed","description":"\u003cp\u003e\u003cstrong\u003eFSA MegaTooth 40T Chainring - optimized for Campagnolo 13-speed.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eFSA MegaTooth chainring\u003c\/strong\u003e with \u003cstrong\u003e40 teeth\u003c\/strong\u003e was developed for modern road bike drivetrains and is compatible with \u003cstrong\u003eCampagnolo 13-speed\u003c\/strong\u003e systems.\u003c\/p\u003e\n\u003cp\u003eWith a \u003cstrong\u003e120 mm bolt circle diameter (BCD)\u003c\/strong\u003e and \u003cstrong\u003e4-arm mounting\u003c\/strong\u003e, it fits corresponding Campagnolo cranksets. The precise tooth geometry ensures smooth shifting and efficient power transfer.\u003c\/p\u003e\n\u003cp\u003eAt only \u003cstrong\u003eapprox. 54 g\u003c\/strong\u003e, the chainring is particularly lightweight, making it ideal for performance-oriented setups.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eHighlights:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e40 teeth:\u003c\/strong\u003e compact road bike gearing.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eCampagnolo 13-speed compatible.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e120 mm BCD:\u003c\/strong\u003e 4-arm standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMegaTooth profile:\u003c\/strong\u003e precise shifting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight:\u003c\/strong\u003e only approx. 54 g.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuitable for, e.g.: \u003c\/strong\u003eGossamer Pro 1X MegaExo (CK-6124S)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MegaTooth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 40T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBCD:\u003c\/strong\u003e 120 mm (BCD)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-arm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Campagnolo 13-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e approx. 54 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x FSA MegaTooth 40T chainring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer's part no.:\u003c\/strong\u003e 370-0212006050 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 4711233857670 | \u003cstrong\u003eModel ID:\u003c\/strong\u003e WB680A\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e“Lightweight, precise, and perfectly matched to Campagnolo 13-speed - the 40T MegaTooth for modern road bike setups.”\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":56850696995081,"sku":"D5C3","price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/fsa-megatooth-kettenblatt-40t-120-bcd-4-arm-1x13-fach-7962794.jpg?v=1772370260"},{"product_id":"sram-x-sync-2-kettenblatt-32-zahne-104-bcd-11-12-fach-eagle-schwarz","title":"SRAM X-SYNC 2 chainring 32 teeth | 104 BCD | 11-\/12-speed | Eagle | black","description":"\u003cp\u003e\u003cstrong\u003eOriginal SRAM X-SYNC 2 chainring\u003c\/strong\u003e with \u003cstrong\u003e32 teeth\u003c\/strong\u003e and \u003cstrong\u003e104 mm bolt circle diameter (BCD)\u003c\/strong\u003e for 1x drivetrains. The further-developed X-SYNC™ 2 tooth profile ensures improved chain guidance, reduced wear, and an especially quiet drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe chainring was specially developed for SRAM Eagle, but is also compatible with SRAM 11-speed drivetrains. The aggressive tooth shape improves chain retention even on demanding trails, while the open design reliably sheds dirt and supports self-cleaning.\u003c\/p\u003e\n\u003cp\u003eIdeal for mountain bike, trail, enduro, and e-MTB use where reliability and durability are essential.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eX-SYNC™ 2 tooth profile:\u003c\/strong\u003e optimal chain guidance and secure chain retention\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e104 BCD:\u003c\/strong\u003e suitable for cranks with a 104 mm bolt circle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e11-\/12-speed compatible:\u003c\/strong\u003e developed for SRAM Eagle and SRAM 11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-cleaning design:\u003c\/strong\u003e reduces dirt adhesion and friction\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOriginal SRAM quality:\u003c\/strong\u003e durable and precision-manufactured\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e SRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e X-SYNC™ 2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel ID:\u003c\/strong\u003e CR-XSNC-B1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e MTB, trail, enduro, e-MTB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 1x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 32\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle (BCD):\u003c\/strong\u003e 104 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e SRAM 11-speed, SRAM Eagle 12-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum \/ steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYaw compatible:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e approx. 43 g (self-weighed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x SRAM X-SYNC™ 2 chainring, 32 teeth | 104 BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e workshop packaging (without outer packaging)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eManufacturer no. 00.6218.011.000\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eLightweight original SRAM chainring with X-SYNC™ 2 technology for maximum chain guidance, high durability, and reliable performance on every trail.\u003c\/em\u003e\u003c\/p\u003e","brand":"SRAM","offers":[{"title":"Default Title","offer_id":57185420837129,"sku":"C3C1","price":18.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/sram-x-sync-2-kettenblatt-32-zaehne-104-bcd-11-12-fach-eagle-schwarz-1395490.webp?v=1783555569"},{"product_id":"fsa-megatooth-kettenblatt-46-zahne-1x11-fach-110-mm-bcd-4-loch-schwarz","title":"FSA Megatooth chainring | 46 teeth | 1x11-speed | 110 mm BCD 4-bolt | Black","description":"\u003cp\u003eThe FSA Megatooth chainring with 46 teeth was specially developed for 1x drivetrains and impresses with secure chain retention and efficient power transfer. It is suitable as a replacement or upgrade for compatible cranksets with a 110 mm 4-bolt BCD.\u003c\/p\u003e\n\u003cp\u003eThanks to the Megatooth tooth profile, the chain is guided reliably and the risk of chain drops is reduced. Weighing just 126 g, this chainring is ideal for sporty use on the road or on gravel bikes.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMegatooth tooth profile:\u003c\/strong\u003e Supports secure chain retention on 1x drivetrains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e46 teeth:\u003c\/strong\u003e Ideal for sporty gearing on the road and gravel.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110 mm 4-bolt mount:\u003c\/strong\u003e Suitable for compatible cranksets with a 110 mm BCD.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight design:\u003c\/strong\u003e Weighing just 126 g for low rotational weight.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e FSA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 46T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 1x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBCD:\u003c\/strong\u003e 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e 4-bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 126 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x FSA Megatooth chainring, 46 teeth\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEAN:\u003c\/strong\u003e 4713170264184\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe FSA Megatooth chainring provides reliable chain retention and efficient power transfer for sporty 1x drivetrains.\u003c\/em\u003e\u003c\/p\u003e","brand":"FSA","offers":[{"title":"Default Title","offer_id":57191344570633,"sku":"B9C2","price":23.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/fsa-megatooth-kettenblatt-46-zaehne-1x11-fach-110-mm-bcd-4-loch-schwarz-3349006.jpg?v=1783815981"},{"product_id":"praxis-works-mtb-narrow-wide-kettenblatt-30-zahne-10-11-fach-4x96-mm-fur-shimano-xt-m8000-slx-m7000","title":"Praxis MTB Narrow Wide chainring | 30 teeth | 10-\/11-speed | 4-hole 96 mm | for Shimano XT M8000 \/ SLX M7000","description":"\u003cp\u003eThe Praxis Works MTB Narrow Wide chainring is designed for building a reliable \u003cstrong\u003e1x MTB drivetrain\u003c\/strong\u003e. With \u003cstrong\u003e30 teeth\u003c\/strong\u003e and an asymmetric \u003cstrong\u003e4x96 mm bolt circle\u003c\/strong\u003e, it fits selected Shimano cranks and offers a compact gear ratio for technically demanding climbs and controlled off-road riding.\u003c\/p\u003e\n\u003cp\u003eThe Narrow-Wide tooth profile supports secure chain retention, while the \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e construction combines low weight with high stiffness.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNarrow-Wide tooth profile:\u003c\/strong\u003e supports secure chain retention on 1x MTB drivetrains\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e30 teeth:\u003c\/strong\u003e compact gear ratio for steep climbs and technical MTB trails\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e4x96 mm asymmetric:\u003c\/strong\u003e compatible with selected Shimano XT and SLX cranks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075-T6 aluminum:\u003c\/strong\u003e lightweight, stiff material for sporty MTB riding\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Praxis Works\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e MTB chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 1x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTeeth:\u003c\/strong\u003e 30\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 10-\/11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e 4x96 mm asymmetric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth profile:\u003c\/strong\u003e Narrow Wide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eShimano XT FC-M8000\u003c\/li\u003e\n\u003cli\u003eShimano SLX FC-M7000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 Praxis Works MTB Narrow Wide chainring with 30 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part no.:\u003c\/strong\u003e 30-2096 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 852952006070\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe 30-tooth chainring provides secure chain retention and a climbing-friendly gear ratio for compatible Shimano MTB cranks.\u003c\/em\u003e\u003c\/p\u003e","brand":"Praxis","offers":[{"title":"Default Title","offer_id":57448724267273,"sku":"B6D3","price":16.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/praxis-mtb-narrow-wide-kettenblatt-30-zaehne-10-11-fach-4-loch-96-mm-fuer-shimano-xt-m8000-slx-m7000-3451893.jpg?v=1792514306"},{"product_id":"rotor-q-rings-kettenblatt-54t-bcd-110x4-aussen-oval-schwarz","title":"ROTOR Q-Rings chainring 54T | BCD 110x4 | outer ring for 39T inner ring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ RINGS BCD 110x4 Q54T (39)\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for sporty 1x or 2x drivetrains. With \u003cstrong\u003e54 teeth\u003c\/strong\u003e and \u003cstrong\u003e110x4 BCD\u003c\/strong\u003e, this version is matched to the ROTOR drivetrain described.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio throughout the crank rotation. It's designed for riders who want to consciously tune their pedal stroke to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e54 teeth with 110x4 BCD for sporty road gearing\u003c\/li\u003e\n\u003cli\u003eOval Q-Ring shape with 12.5% ovalization for a smoother pedal stroke\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum for high stiffness and low weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q RINGS BCD 110x4 Q54T (39)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 54 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended inner chainring:\u003c\/strong\u003e 39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e 110x4 BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvalization:\u003c\/strong\u003e 12.5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e CNC-machined 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR cranksets and spiders with 110x4 BCD\u003c\/li\u003e\n\u003cli\u003eROTOR INspider with a compatible 110x4 mounting\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 and Ultegra FC-R8000, as well as compatible previous models with a 110x4 mounting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings chainring 54T outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer's part number:\u003c\/strong\u003e C01-038-07010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366015774\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain where the tooth count, mounting and chainring combination are precisely matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460167180553,"sku":"L1C1","price":45.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-kettenblatt-54t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-oval-3034864.jpg?v=1793283325"},{"product_id":"rotor-q-rings-oval-kettenblatt-innen-44-zahne-bcd-110x4-mm-11-fach-aluminium-7075-t6-schwarz","title":"ROTOR Q-Rings chainring 44T | BCD 110x4 | inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ-Rings\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for performance-oriented 1x or 2x drivetrains. With \u003cstrong\u003e44 teeth (44T)\u003c\/strong\u003e as an \u003cstrong\u003einner\u003c\/strong\u003e chainring and \u003cstrong\u003e4-bolt, asymmetric\u003c\/strong\u003e mounting, this version is matched to the described ROTOR drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio throughout the crank rotation, and this version has \u003cstrong\u003e12.5% ovality\u003c\/strong\u003e. It is designed for riders who want to consciously adapt their pedaling to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e12.5% oval Q-Rings profile for an adjusted pedaling resistance\u003c\/li\u003e\n\u003cli\u003e44-tooth inner chainring for 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum with 110x4 mm mounting interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Oval inner chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGearing:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 44 teeth (44T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e BCD 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-bolt, asymmetric\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvality:\u003c\/strong\u003e 12.5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 75.2 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranks with a compatible BCD 110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meters with the corresponding 110x4 mm mounting interface\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 cranksets\u003c\/li\u003e\n\u003cli\u003eShimano Ultegra FC-R8000 cranksets\u003c\/li\u003e\n\u003cli\u003eCompatible 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eSuitable 54\/44, 55\/44 and 56\/44 chainring combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings oval inner chainring with 44 teeth, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-038-17010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366016146\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain where the tooth count, mounting interface and chainring combination are all properly matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460170457353,"sku":"M2E3","price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-kettenblatt-44t-bcd-110x4-innenblatt-oval-1986888.jpg?v=1793283329"},{"product_id":"rotor-round-rings-innenkettenblatt-39-zahne-bcd-110x4-mm-53-39-2x10-11-fach-schwarz","title":"ROTOR Round Ring chainring 39T | BCD 110x4 | inner ring for 53T outer ring | round","description":"\u003cp\u003eFast stretches of road and powerful sprints call for the right gearing. The \u003cstrong\u003eROTOR Round Rings 39-tooth inner chainring\u003c\/strong\u003e is designed for sporty \u003cstrong\u003e2x road drivetrains\u003c\/strong\u003e with a \u003cstrong\u003e110x4 mm BCD\u003c\/strong\u003e. Paired with a suitable \u003cstrong\u003e53T outer chainring\u003c\/strong\u003e, it gives you the classic 53\/39 gear combination.\u003c\/p\u003e\n\u003cp\u003eIts \u003cstrong\u003eround tooth profile\u003c\/strong\u003e provides a consistent gear ratio throughout the crank rotation. \u003cstrong\u003eCNC-machined 7075-T6 aluminum\u003c\/strong\u003e combines precise manufacturing with the low weight of a road bike chainring. When installing, make sure the four-arm bolt pattern is compatible and that the chainring combination is approved.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e39 teeth:\u003c\/strong\u003e Inner chainring for a sporty 53\/39 road gearing setup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound profile:\u003c\/strong\u003e Consistent gear ratio throughout the entire pedal stroke.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110x4 mm BCD:\u003c\/strong\u003e For compatible four-arm crank spiders with the matching bolt circle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075-T6 aluminum:\u003c\/strong\u003e CNC-machined design for road bike drivetrains.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Round Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Inner chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 2x10-speed \/ 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 39 teeth (39T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chainring combination:\u003c\/strong\u003e 53\/39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e 110 mm BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-bolt (110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible ROTOR road cranksets with a 110x4 mm BCD spider and matching bolt pattern\u003c\/li\u003e\n\u003cli\u003eROTOR INspider mounts with a compatible 110x4 mm fitting\u003c\/li\u003e\n\u003cli\u003eCompatible 2x10- and 2x11-speed road drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible 53T outer chainrings for 53\/39 combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eIncluded:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ROTOR Round Rings 39T inner chainring, black\u003c\/li\u003e\n\u003cli\u003eSupplied in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003e\n workshop packaging\n\u003c\/a\u003e - securely packed, without the original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part no.:\u003c\/strong\u003e C01-516-22010A-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366015651\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe ROTOR Round Rings 39T adds classic gearing to your road drivetrain for sporty riding.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460338327817,"sku":"L1E6","price":15.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-round-ring-kettenblatt-39t-bcd-110x4-innenblatt-fuer-53t-aussenblatt-rund-6683499.jpg?v=1793283324"},{"product_id":"rotor-q-rings-kettenblatt-54t-bcd-110x4-aussen-oval-b-ware","title":"ROTOR Q-Rings chainring 54T | BCD 110x4 | outer chainring for 39T inner chainring | oval (B-stock)","description":"\u003cp\u003eThe \u003cstrong\u003eQ RINGS BCD 110x4 Q54T (39)\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for performance 1x or 2x drivetrains. With \u003cstrong\u003e54 teeth\u003c\/strong\u003e and \u003cstrong\u003e110x4 BCD\u003c\/strong\u003e, this version is designed to match the ROTOR drivetrain described.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear progression during crank rotation. It is intended for riders who want to deliberately tune their pedal stroke to ROTOR's oval concept.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSecond-quality item:\u003c\/strong\u003e New item with slight signs of storage. The product is unused and fully functional. Minimal signs of use or light surface scratches may be present. The packaging may have been damaged or replaced.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e54 teeth with 110x4 BCD for performance road gearing\u003c\/li\u003e\n\u003cli\u003eOval Q-Ring shape with 12.5% ovalization for a smoother pedal stroke\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum for high stiffness and low weight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q RINGS BCD 110x4 Q54T (39)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 54 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended inner chainring:\u003c\/strong\u003e 39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e 110x4 BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvalization:\u003c\/strong\u003e 12.5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum, CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR cranks and spiders with 110x4 BCD\u003c\/li\u003e\n\u003cli\u003eROTOR INspider with matching 110x4 mounting interface\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 and Ultegra FC-R8000, as well as compatible previous models with a 110x4 mounting interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings chainring 54T outer\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003e\n workshop packaging\n\u003c\/a\u003e - securely packaged, without the original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-038-07010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366015774\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain where the tooth count, mounting interface and chainring combination are precisely matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460353237257,"sku":"L1D3","price":35.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-kettenblatt-54t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-oval-b-ware-9844825.png?v=1793283324"},{"product_id":"rotor-q-rings-aero-oval-aussenkettenblatt-55-zahne-bcd-110x4-mm-2x11-fach-55-42-55-44-schwarz","title":"ROTOR Aero Q-Rings chainring 55T | BCD 110x4 | outer chainring for 42\/44T inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ-Rings Aero\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for sporty 1x or 2x drivetrains. With \u003cstrong\u003e55 teeth (55T)\u003c\/strong\u003e as the \u003cstrong\u003eouter\u003c\/strong\u003e chainring and a \u003cstrong\u003e4-arm interface (BCD 110x4 mm)\u003c\/strong\u003e, this version is designed for the described ROTOR drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio throughout the crank rotation. It is designed for riders who want to consciously adapt their pedal stroke to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eKey features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOval aero chainring designed for the power phases of the pedal stroke\u003c\/li\u003e\n\u003cli\u003e55 teeth for sporty 55\/42 and 55\/44 gear ratios\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum with BCD 110x4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Oval outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling \/ road \/ triathlon \/ time trial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 55 teeth (55T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chainring combinations:\u003c\/strong\u003e 55\/42 or 55\/44 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-arm interface (BCD 110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranks with a compatible 110x4 mm BCD interface\u003c\/li\u003e\n\u003cli\u003eCompatible ROTOR 110x4 spiders\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace R9100 and Ultegra R8000 crank interfaces, as well as compatible previous-generation models\u003c\/li\u003e\n\u003cli\u003eCompatible 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eSuitable 42- or 44-tooth inner chainrings for 55\/42 or 55\/44 combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings Aero oval outer chainring, 55 teeth, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e In original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-041-06020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366018201\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain where the tooth count, mounting interface, and chainring combination are precisely matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460362117385,"sku":"L2D1","price":80.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-q-rings-kettenblatt-55t-bcd-110x4-aussenblatt-fuer-4244t-innenblatt-oval-5455611.jpg?v=1793283330"},{"product_id":"rotor-round-rings-innenkettenblatt-44-zahne-bcd-110x4-mm-2x11-fach-schwarz","title":"ROTOR Round Ring chainring 44T | BCD 110x4 | inner ring | round","description":"\u003cp\u003eOn fast road sections, gearing that suits your drivetrain matters. The \u003cstrong\u003eROTOR Round Rings 44-tooth inner chainring\u003c\/strong\u003e complements performance \u003cstrong\u003e2x road drivetrains\u003c\/strong\u003e with \u003cstrong\u003eBCD 110x4 mm\u003c\/strong\u003e and is designed for pairing with compatible outer chainrings with \u003cstrong\u003e54, 55 or 56 teeth\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThanks to its \u003cstrong\u003eround chainring shape\u003c\/strong\u003e, the gear ratio remains constant throughout the crank revolution. The \u003cstrong\u003eCNC-machined 7075-T6 aluminum\u003c\/strong\u003e provides a precisely manufactured base for your road drivetrain. When installing, check the specific four-arm bolt pattern and intended chainring combination, as well as the bolt circle.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eKey features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e44 teeth for 2x road drivetrains:\u003c\/strong\u003e For compatible 54\/44, 55\/44 and 56\/44 chainring combinations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound chainring shape:\u003c\/strong\u003e Consistent effective gearing throughout the pedal stroke.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075-T6 aluminum:\u003c\/strong\u003e CNC-machined construction for performance road drivetrains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBCD 110x4 mm:\u003c\/strong\u003e Fits compatible four-arm crank spiders.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Round Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Inner chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling \/ Road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGears:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 44 teeth (44T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chainring combinations:\u003c\/strong\u003e 54\/44, 55\/44 and 56\/44 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-arm mount (BCD 110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 69.5 g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranks with a compatible BCD 110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meters with a compatible 110x4 mm mount\u003c\/li\u003e\n\u003cli\u003eCompatible Shimano Dura-Ace FC-R9100 and Ultegra FC-R8000 cranksets\u003c\/li\u003e\n\u003cli\u003eCompatible 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eSuitable 54T, 55T and 56T outer chainrings for 54\/44, 55\/44 and 56\/44 gearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ROTOR Round Rings inner chainring 44T, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer's part no.:\u003c\/strong\u003e C01-516-17010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366016023\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe round ROTOR inner chainring provides a suitable 44T gearing for your sporty 2x road bike drivetrain.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460409729289,"sku":"M1E3","price":15.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-round-ring-kettenblatt-44t-bcd-110x4-innenblatt-rund-6395690.jpg?v=1793283287"},{"product_id":"rotor-q-rings-kettenblatt-54t-bcd-110x4-aussenblatt-fur-42-44t-innenblatt-oval-schwarz","title":"ROTOR Q-Rings chainring 54T | BCD 110x4 | Outer chainring for 42\/44T inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ RINGS BCD110x4 Q54T (44\/42) Outer\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for performance-oriented 1x or 2x drivetrains. With \u003cstrong\u003e54 teeth\u003c\/strong\u003e in the \u003cstrong\u003eouter\u003c\/strong\u003e position and \u003cstrong\u003eBCD 110x4\u003c\/strong\u003e, this version is designed for the ROTOR drivetrain described.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio throughout the crank rotation. This is designed for riders who want to deliberately tune their pedal stroke to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e54T outer chainring for pairing with a 42T or 44T inner chainring\u003c\/li\u003e\n\u003cli\u003eOval Q-Ring shape for a smoother pedal stroke and efficient power transfer\u003c\/li\u003e\n\u003cli\u003eBCD 110x4 for ROTOR and compatible Shimano 4-arm road cranks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q RINGS BCD110x4 Q54T (44\/42) Outer\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e outer chainring\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 54 teeth\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMatching inner chainring:\u003c\/strong\u003e 42T \/ 44T\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e outer\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eToothing:\u003c\/strong\u003e external chain teeth\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110x4\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e oval\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003eROTOR cranks with BCD 110x4 spider\u003c\/li\u003e\n \u003cli\u003eROTOR INspider\u003c\/li\u003e\n \u003cli\u003eCompatible Shimano 4-arm road cranks, including Dura-Ace FC-R9100 and Ultegra FC-R8000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n \u003cli\u003e1x ROTOR Q-Rings 54T outer chainring\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-038-07020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366015606\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain where the tooth count, mounting standard, and chainring combination are precisely matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460441284873,"sku":"M1D2","price":45.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-kettenblatt-54t-bcd-110x4-aussenblatt-fuer-4244t-innenblatt-oval-2454788.jpg?v=1793283288"},{"product_id":"rotor-q-rings-oval-innenkettenblatt-39-zahne-bcd-110x4-mm-53-39-2x11-fach-schwarz","title":"ROTOR Q-Rings chainring 39T | BCD 110x4 | inner ring for 53T outer ring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ-Rings\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for sporty 1x or 2x drivetrains. With \u003cstrong\u003e39 teeth (39T)\u003c\/strong\u003e as an \u003cstrong\u003einner\u003c\/strong\u003e chainring and a \u003cstrong\u003e4-arm mount, asymmetric (110x4 mm)\u003c\/strong\u003e, this version is designed for the ROTOR drivetrain described.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio throughout the crank rotation and uses \u003cstrong\u003e12.5% ovality\u003c\/strong\u003e in this version. It is designed for riders who want to consciously tune their pedaling to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOval Q-Rings profile with 12.5% ovality\u003c\/li\u003e\n\u003cli\u003e39 teeth as an inner chainring for 53\/39 road gearing\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum with BCD 110x4 mm mounting interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Oval inner chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 39 teeth (39T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended chainring combination:\u003c\/strong\u003e 53\/39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-arm mount, asymmetric (110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvality:\u003c\/strong\u003e 12.5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum 7075-T6\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranks with a matching BCD 110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meters with the corresponding BCD 110x4 mm mounting interface\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 and Ultegra FC-R8000 cranksets with matching 4-arm mounting interface\u003c\/li\u003e\n\u003cli\u003eSuitable 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eMatching 53-tooth outer chainrings for the 53\/39 combination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings oval inner chainring with 39 teeth, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-038-22010A-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366016139\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain with a tooth count, mounting interface, and chainring combination that are properly matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460462715145,"sku":"L1E1","price":20.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-kettenblatt-39t-bcd-110x4-innenblatt-fuer-53t-aussenblatt-oval-9259372.jpg?v=1793283287"},{"product_id":"rotor-aero-round-rings-aussenkettenblatt-53-zahne-bcd-110x4-mm-53-39-2x10-11-fach-schwarz","title":"ROTOR Aero Round Ring chainring 53T | BCD 110x4 | outer ring for 39T inner ring | round","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Aero Round Ring 53T\u003c\/strong\u003e is a round outer chainring for sporty road and triathlon setups with a classic 53\/39 gear ratio. With 53 teeth, this version is aimed at riders who prefer a high gear ratio and a direct, familiar pedaling feel on fast routes.\u003c\/p\u003e\n\u003cp\u003eThe closed \u003cstrong\u003eAero design\u003c\/strong\u003e creates a clean, uncluttered look and is especially well suited to performance-oriented road and time trial setups. Thanks to its BCD 110x4, the chainring is designed for compatible ROTOR and select Shimano 4-arm road cranksets.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e53 teeth for the classic 53\/39 road bike gear ratio\u003c\/li\u003e\n\u003cli\u003eRound Aero profile with BCD 110x4 mm mount\u003c\/li\u003e\n\u003cli\u003ePrecisely CNC-machined from 7075-T6 aluminum\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero Round Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Round Aero outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road bike \/ Road \/ Triathlon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible speeds:\u003c\/strong\u003e 2x10-speed \/ 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 53 teeth (53T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chainring combination:\u003c\/strong\u003e 53\/39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e 4-arm (110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranksets with compatible BCD 110x4 mm mount\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meter with compatible 110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 and Ultegra FC-R8000 cranksets with compatible mounts\u003c\/li\u003e\n\u003cli\u003eCompatible 2x10-speed and 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible 39-tooth inner chainrings for a 53\/39 combination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Aero Round Rings Outer Chainring with 53 Teeth, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e In original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-518-08020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366017822\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor fast 53\/39 road setups with a classic round profile and sporty aero character.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460501152009,"sku":"L2D3","price":60.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-round-ring-kettenblatt-53t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-rund-2228040.jpg?v=1793283286"},{"product_id":"rotor-aero-round-ring-kettenblatt-55t-bcd-110x4-aussenblatt-rund-schwarz","title":"ROTOR Aero Round Ring chainring 55T | BCD 110x4 | outer ring for 42\/44T inner ring | round","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Aero Round Ring outer chainring\u003c\/strong\u003e with \u003cstrong\u003e55 teeth\u003c\/strong\u003e is designed for road and triathlon drivetrains with a compatible \u003cstrong\u003eBCD-110x4 mount\u003c\/strong\u003e. Its round chainring shape keeps the gear ratio constant throughout the crank rotation. The closed aero design adds a smooth, solid surface.\u003c\/p\u003e\u003cp\u003eThe chainring is designed for a \u003cstrong\u003e2x drivetrain\u003c\/strong\u003e and can be paired with a \u003cstrong\u003e42- or 44-tooth inner chainring\u003c\/strong\u003e when suitably matched. A compatible 4-arm spider and a chainring combination compatible with the crank and shifting system are required.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e55-tooth outer chainring:\u003c\/strong\u003e For suitably matched 2x road bike drivetrains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound aero design:\u003c\/strong\u003e Closed construction with a constant gear ratio.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBCD 110x4:\u003c\/strong\u003e Mount for suitable 4-arm road spiders and cranks.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero Round Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling \/ road \/ triathlon \/ time trial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 55 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended inner chainrings:\u003c\/strong\u003e 42 or 44 teeth with a suitable combination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 9-\/10-\/11-speed according to the available product data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e BCD 110x4 mm (4-arm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum 7075\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eCompatible with:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSuitable ROTOR road cranks and spiders with a compatible BCD-110x4 mount, such as corresponding ALDHU or INspider systems\u003c\/li\u003e\n\u003cli\u003eMatched 2x drivetrains with a suitable 42- or 44-tooth inner chainring\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eImportant: The exact shape and position of the mounting holes must match the crank or spider in question. An identical bolt circle diameter alone does not confirm compatibility with Shimano or other 4-arm cranks.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1 × ROTOR Aero Round Ring Outer Chainring, 55 Teeth, Black\u003c\/li\u003e\n\u003cli\u003eInner chainring, crankset, and mounting bolts are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-518-06020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366018263\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFor compatible 2-speed road bike drivetrains with a 55-tooth outer chainring and BCD 110x4 mount.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460605813001,"sku":"K2D4","price":60.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-round-ring-kettenblatt-55t-bcd-110x4-aussenblatt-fuer-4244t-innenblatt-rund-4062281.jpg?v=1793283286"},{"product_id":"rotor-q-rings-oval-aussenkettenblatt-53-zahne-bcd-110x4-mm-53-39-2x10-11-fach-schwarz","title":"ROTOR Q-Rings chainring 53T | BCD 110x4 | Outer chainring for 39T inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ-Rings\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for sporty 1x or 2x drivetrains. With \u003cstrong\u003e53 teeth (53T)\u003c\/strong\u003e as an \u003cstrong\u003eouter\u003c\/strong\u003e chainring with \u003cstrong\u003e4-arm mounting (110x4 mm)\u003c\/strong\u003e, this version is matched to the described ROTOR drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio over the course of a crank revolution. It is designed for riders who want to consciously tune their pedaling to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOval Q-Rings profile for variable effective gearing\u003c\/li\u003e\n\u003cli\u003e53 teeth as an outer chainring for 53\/39 road gearing\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum with BCD 110x4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Oval outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Road cycling \/ road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 2x10-speed \/ 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 53 teeth (53T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended chainring combination:\u003c\/strong\u003e 53\/39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e 110 mm BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-arm mounting (110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranksets with compatible BCD-110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meter with compatible BCD-110x4 mm mounting\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 and Ultegra FC-R8000 cranksets with compatible four-arm mounting\u003c\/li\u003e\n\u003cli\u003eCompatible 2x10-speed and 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible 39-tooth inner chainrings for 53\/39 gearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eIncluded:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings oval outer chainring, 53 teeth, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-038-08010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366009346\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain in which the tooth count, mounting interface and chainring combination are precisely matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460629537033,"sku":"K1C4","price":45.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-kettenblatt-53t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-oval-3332384.jpg?v=1793283286"},{"product_id":"rotor-aero-q-rings-kettenblatt-53t-bcd-110x4-aussenblatt-fur-39t-innenblatt-oval-schwarz","title":"ROTOR Aero Q-Rings chainring 53T | BCD 110x4 | outer chainring for 39T inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eAero Q RING BCD110x4 Q53T (39) Outer\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for performance-oriented 1x or 2x drivetrains. With \u003cstrong\u003e53 teeth\u003c\/strong\u003e, as an \u003cstrong\u003eouter\u003c\/strong\u003e chainring with \u003cstrong\u003eBCD 110x4\u003c\/strong\u003e, this version is designed for the ROTOR drivetrain described.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Ring geometry changes the effective gear ratio throughout the crank revolution. It is designed for riders who want to consciously tune their pedaling to the ROTOR oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e53T aero outer chainring for pairing with a 39T inner chainring\u003c\/li\u003e\n\u003cli\u003eOval Q-Ring shape with a closed aero design for performance-oriented road setups\u003c\/li\u003e\n\u003cli\u003eBCD 110x4 for ROTOR and compatible Shimano 4-arm road cranksets\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero Q RING BCD110x4 Q53T (39) Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 53 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible inner chainring:\u003c\/strong\u003e 39T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110x4\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2-speed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road cranksets with a compatible BCD 110x4 spider\u003c\/li\u003e\n\u003cli\u003eROTOR INspider 110x4\u003c\/li\u003e\n\u003cli\u003eROTOR ALDHU Spider 110x4\u003c\/li\u003e\n\u003cli\u003eCompatible Shimano 4-arm road cranksets with BCD 110x4\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003ePackage contents:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Aero Q-Rings 53T outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-041-08020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366017679\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain with the tooth count, mounting interface and chainring combination properly matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460726923529,"sku":"J2E1","price":80.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-q-rings-kettenblatt-53t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-oval-5084710.jpg?v=1793283286"},{"product_id":"rotor-q-rings-aero-oval-aussenkettenblatt-54-zahne-bcd-110x4-mm-54-39-2x11-fach-schwarz","title":"ROTOR Aero Q-Rings chainring 54T | BCD 110x4 | Outer chainring for 39T inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eQ-Rings Aero\u003c\/strong\u003e is an \u003cstrong\u003eoval\u003c\/strong\u003e road chainring for sporty 1x or 2x drivetrains. With \u003cstrong\u003e54 teeth (54T)\u003c\/strong\u003e as an \u003cstrong\u003eouter\u003c\/strong\u003e ring and a \u003cstrong\u003e4-arm mounting (BCD 110x4 mm)\u003c\/strong\u003e, this version is matched to the ROTOR drivetrain described.\u003c\/p\u003e\n\u003cp\u003eThe oval Q-Rings geometry changes the effective gear ratio over the course of a crank revolution and this version has \u003cstrong\u003e12.5% ovality\u003c\/strong\u003e. It's designed for riders who want to deliberately adapt their pedaling to ROTOR's oval concept.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eKey features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e54 teeth for sporty 54\/39 road gearing\u003c\/li\u003e\n\u003cli\u003eOval Aero profile with 12.5% ovality\u003c\/li\u003e\n\u003cli\u003eCNC-machined 7075-T6 aluminum with BCD 110x4 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Oval Aero outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling \/ Road \/ Triathlon \/ Time trial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGears:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 54 teeth (54T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended chainring combination:\u003c\/strong\u003e 54\/39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e BCD 110 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e 4-arm mounting (BCD 110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvality:\u003c\/strong\u003e 12.5%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranks with a compatible BCD 110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meter with compatible 110x4 mm mounting standard\u003c\/li\u003e\n\u003cli\u003eCompatible Shimano Dura-Ace FC-R9100 and Ultegra FC-R8000 cranksets without an integrated Shimano power meter\u003c\/li\u003e\n\u003cli\u003eCompatible 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eMatching 39-tooth inner chainring for the 54\/39 gearing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Q-Rings Aero Oval Outer Chainring, 54 Teeth, Black\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003e\n workshop packaging\n\u003c\/a\u003e - securely packaged, without the original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-041-07120-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366018218\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a road drivetrain where the tooth count, mounting standard, and chainring combination are properly matched.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460776501513,"sku":"K3E4","price":90.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-q-rings-kettenblatt-54t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-oval-7218575.jpg?v=1793283285"},{"product_id":"rotor-q-rings-aero-oval-aussenkettenblatt-56-zahne-bcd-110x4-mm-56-44-2x11-fach-schwarz","title":"ROTOR Aero Q-Rings chainring 56T | BCD 110x4 | Outer chainring for 44T inner chainring | oval","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Q-Rings Aero outer chainring\u003c\/strong\u003e with \u003cstrong\u003e56 teeth\u003c\/strong\u003e was developed for performance road and time trial drivetrains. Its oval shape changes the effective gear ratio throughout the crank rotation. The closed Aero design complements the chainring with a broad profile, commonly used on time trial and triathlon bikes.\u003c\/p\u003e\u003cp\u003eThis version is intended as an \u003cstrong\u003eouter chainring for a 56\/44-tooth combination\u003c\/strong\u003e. The CNC-machined aluminum chainring has a \u003cstrong\u003e4-arm mounting with BCD 110x4 mm\u003c\/strong\u003e. For installation, the crank mounting shape, compatible inner chainring, and drivetrain must be matched.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e56 teeth as outer chainring:\u003c\/strong\u003e Intended for 2x drivetrains with a 56\/44-tooth chainring combination.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOval Q-Rings shape:\u003c\/strong\u003e Varying effective gear ratio throughout the crank rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAero design:\u003c\/strong\u003e Closed profile made of CNC-machined aluminum with BCD-110x4 mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling \/ road \/ triathlon \/ time trial\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShifting speeds:\u003c\/strong\u003e 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 56 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended chainring combination:\u003c\/strong\u003e 56\/44 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle \/ mounting:\u003c\/strong\u003e BCD 110x4 mm (4-arm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eCompatible with:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eSuitable ROTOR road bike cranks or spiders with a compatible BCD-110x4-mm mounting\u003c\/li\u003e\n\u003cli\u003eCorrespondingly matched 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible 44-tooth inner chainrings for the 56\/44 combination\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePlease check the exact mounting geometry before purchase. The same bolt circle diameter alone does not guarantee compatibility with every 4-arm crank.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1 × ROTOR Q-Rings Aero outer chainring, oval, 56 teeth, black\u003c\/li\u003e\n\u003cli\u003eInner chainring, crank, and mounting bolts are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-041-05020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366018195\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFor building a compatible oval 56\/44-tooth chainring combination.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460869726473,"sku":"L1E2","price":90.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-q-rings-kettenblatt-56t-bcd-110x4-aussenblatt-fuer-44t-innenblatt-oval-7880298.jpg?v=1793283287"},{"product_id":"rotor-q-rings-oval-direct-mount-kettenblatt-44t-1-fach-aluminium-schwarz","title":"ROTOR Q-Rings Direct Mount chainring 44T | 1-speed | oval","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Q-Rings Direct Mount 44T\u003c\/strong\u003e is an oval chainring for performance-oriented 1x setups on road, gravel and cyclocross. With 44 teeth, it offers fast, direct gearing and is designed for riders who want to fine-tune their pedal stroke using Q-Rings geometry.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eDirect Mount interface\u003c\/strong\u003e means the chainring does not require a separate spider and can be paired directly with compatible ROTOR cranks. The narrow-wide tooth profile helps guide the chain in 1x setups and creates a clean, performance-focused drivetrain setup.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eKey features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOval Q-Rings shape for variable gearing throughout the pedal stroke\u003c\/li\u003e\n\u003cli\u003eDirect Mount without a separate chainring spider\u003c\/li\u003e\n\u003cli\u003e44 teeth with narrow-wide profile for 1x drivetrains\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTechnical data:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Q-Rings Oval Direct Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 44 teeth (44T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Oval\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Direct Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 1x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road, gravel, cyclocross, triathlon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eCompatible with:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eROTOR ALDHU, VEGAST, INpower DM and 2INpower DM cranks with compatible Direct Mount interface\u003c\/li\u003e\n\u003cli\u003eSuitable for 1x drivetrains with 9-\/10-\/11-\/12-speed gearing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1 x ROTOR Q-Rings Oval Direct Mount chainring 44T, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-040-17010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366013626\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFor a lightweight, direct 1x setup with oval Q-Rings characteristics and clean Direct Mount integration.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460903510281,"sku":"K1F4","price":79.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-q-rings-direct-mount-kettenblatt-44t-1-fach-oval-8135292.jpg?v=1793283284"},{"product_id":"rotor-round-rings-innenkettenblatt-42-zahne-bcd-110x4-mm-54-42-55-42-2x10-11-fach-schwarz","title":"ROTOR Round Ring chainring 42T | BCD 110x4 | Inner chainring for 54\/55T outer chainring | round","description":"\u003cp\u003eWhen every gear shift needs to hit the mark on fast road bike sections, choosing the right chainring combination is essential. The \u003cstrong\u003eROTOR Round Ring 42-tooth inner chainring\u003c\/strong\u003e is designed for sporty \u003cstrong\u003e2x road drivetrains\u003c\/strong\u003e with a \u003cstrong\u003e110x4 mm BCD\u003c\/strong\u003e and can be paired with compatible \u003cstrong\u003e54T or 55T outer chainrings\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eround tooth profile\u003c\/strong\u003e maintains a constant gear ratio throughout the entire crank rotation. Made from \u003cstrong\u003eCNC-machined 7075-T6 aluminum\u003c\/strong\u003e, this inner chainring provides a precise foundation for your road bike drivetrain. For installation, the specific four-arm bolt pattern and compatible chainring combination are just as important as the bolt circle diameter.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eKey features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e42 teeth for 2x drivetrains:\u003c\/strong\u003e For compatible 54\/42 and 55\/42 road gearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound chainring profile:\u003c\/strong\u003e Constant gear ratio throughout the entire pedal stroke.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e7075-T6 aluminum:\u003c\/strong\u003e CNC-machined design for sporty road drivetrains.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e110x4 mm BCD:\u003c\/strong\u003e For compatible four-arm crank spiders with the matching bolt pattern.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Round Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Inner chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling \/ road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 42 teeth (42T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 2x10-speed \/ 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chainring combinations:\u003c\/strong\u003e 54\/42 and 55\/42 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e 110 mm BCD, 4-arm (110x4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring profile:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR crank spiders with a matching 110x4 mm BCD bolt pattern\u003c\/li\u003e\n\u003cli\u003eCompatible ROTOR INspider mounts with 110x4 mm BCD\u003c\/li\u003e\n\u003cli\u003eCompatible 2x10- and 2x11-speed road drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible 54T or 55T outer chainrings for 54\/42 or 55\/42 combinations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eIncluded:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ROTOR Round Ring 42T inner chainring, Black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part no.:\u003c\/strong\u003e C01-516-19010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366016030\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe round ROTOR inner chainring adds a compatible 42T gear ratio to your sporty 2x road drivetrain.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57460930478345,"sku":"K3C6","price":39.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-round-ring-kettenblatt-42t-bcd-110x4-innenblatt-fuer-5455t-aussenblatt-rund-8391219.jpg?v=1793283282"},{"product_id":"rotor-aero-round-ring-aussenkettenblatt-56t-bcd-110x4-mm-fur-44t-innenblatt-schwarz","title":"ROTOR Aero Round Ring chainring 56T | BCD 110x4 | Outer chainring for 44T inner chainring | round","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Aero Round Ring 56T\u003c\/strong\u003e is a round outer chainring for fast 2x road bike setups with an aggressive 56\/44-tooth gear ratio. With 56 teeth, this version is especially suited to riders who prefer a high gear and direct response at high speeds.\u003c\/p\u003e\n\u003cp\u003eThe enclosed \u003cstrong\u003eaero design\u003c\/strong\u003e creates a clean look and is particularly well suited to performance-oriented road and time trial setups. The BCD 110x4 mounting and specified pairing with a 44T inner chainring clearly define the crankset and chainring configuration this model is designed for.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e56T outer chainring for fast road bike gearing\u003c\/li\u003e\n\u003cli\u003eAero round shape with a 110x4 mm BCD\u003c\/li\u003e\n\u003cli\u003eFor 2x setups with a 44T inner chainring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero Round Ring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTooth count:\u003c\/strong\u003e 56T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended inner chainring:\u003c\/strong\u003e 44T\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round, aero design\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle:\u003c\/strong\u003e BCD 110 mm, 4-bolt\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road cycling\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable 2x crank spiders with BCD 110x4 mm and a matching bolt pattern\u003c\/li\u003e\n\u003cli\u003eCorresponding 44T inner chainrings for a 56\/44-tooth combination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eScope of delivery:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1 x ROTOR Aero Round Ring outer chainring 56T, black\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003e\n workshop packaging\n\u003c\/a\u003e - securely packaged, without original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-518-05020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366018256\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor fast road setups with a high 56\/44 gear ratio, a classic round pedaling feel, and distinctive aero design.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57461101887753,"sku":"L1C6","price":55.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-round-ring-kettenblatt-56t-bcd-110x4-aussenblatt-fuer-44t-innenblatt-rund-1872183.jpg?v=1793283275"},{"product_id":"b-ware-rotor-round-rings-innenkettenblatt-42-zahne-bcd-110x4-mm-54-42-55-42-2x10-11-fach-schwarz","title":"ROTOR Round Rings inner chainring 42 teeth | BCD 110x4 mm | 54\/42 \/ 55\/42 | 2x10-11-speed (B-stock)","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Round Rings inner chainring\u003c\/strong\u003e with \u003cstrong\u003e42 teeth\u003c\/strong\u003e is designed for 2x road bike drivetrains with a compatible \u003cstrong\u003e110 mm 4-arm mounting (BCD 110x4)\u003c\/strong\u003e. Its round shape provides a consistent gear ratio throughout the crank rotation. The inner ring is intended especially for chainring combinations with \u003cstrong\u003e54\/42 or 55\/42 teeth\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eMade from CNC-machined \u003cstrong\u003e7075-T6 aluminum\u003c\/strong\u003e, the ring can be integrated into a suitably matched 2x drivetrain. For installation, both the mounting shape and a suitable match between the outer ring and shifting system are important, in addition to the bolt circle.\u003c\/p\u003e\u003cp\u003eThe item is unused but may show slight storage or surface marks.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e42 teeth as an inner ring:\u003c\/strong\u003e For matched 2x combinations with 54 or 55 teeth on the outer ring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRound chainring shape:\u003c\/strong\u003e Consistent gear ratio throughout the crank rotation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBCD 110x4:\u003c\/strong\u003e CNC-machined 7075-T6 aluminum for compatible 4-arm mountings.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Round Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Inner chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road bike \/ road\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2x\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeeds:\u003c\/strong\u003e 2x10-speed \/ 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 42 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring combinations:\u003c\/strong\u003e 54\/42 and 55\/42 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle \/ mounting:\u003c\/strong\u003e BCD 110x4 mm (4-arm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Inner\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eCompatible with:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eCompatible ROTOR road cranks or spiders with a suitable BCD 110x4 mounting\u003c\/li\u003e\n\u003cli\u003eMatched 2x10- and 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eCompatible 54- or 55-tooth outer chainrings for 54\/42 or 55\/42 combinations\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eBefore purchasing, please check the exact 4-arm mounting and intended chainring combination; the same bolt circle diameter alone does not guarantee compatibility.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch4\u003eIncluded:\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e1 × ROTOR Round Rings inner chainring, 42 teeth, Black\u003c\/li\u003e\n\u003cli\u003eOuter chainring, crankset, and mounting bolts are not specified as included.\u003c\/li\u003e\n\u003cli\u003eDelivered in \u003ca href=\"#\" data-open-packaging-modal aria-haspopup=\"dialog\" aria-controls=\"raaad-packaging-modal\"\u003eworkshop packaging\u003c\/a\u003e - securely packaged, without original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-516-19010-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366016030\u003c\/p\u003e\u003cp\u003e\u003cem\u003eFor assembling a suitable 2-chainring road bike crankset with a 42-tooth inner chainring.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57461103821065,"sku":"L3F4","price":19.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-round-rings-innenkettenblatt-42-zaehne-bcd-110x4-mm-5442-5542-2x10-11-fach-b-ware-3407140.jpg?v=1793989574"},{"product_id":"rotor-aero-q-rings-kettenblatt-53t-bcd-110x4-aussenblatt-fur-39t-innenblatt-oval-kopie","title":"ROTOR Aero Round Ring 53T | BCD 110x4 | outer chainring for 39T inner chainring | round (B-stock)","description":"\u003cp\u003eThe \u003cstrong\u003eROTOR Aero Round Ring 53T\u003c\/strong\u003e is a round outer chainring for sporty road and triathlon setups with a 2-speed drivetrain. With 53 teeth and designed to be paired with a 39-tooth inner chainring, this version is aimed at riders who prefer a classic, fast 53\/39 gear ratio.\u003c\/p\u003e\n\u003cp\u003eThe closed \u003cstrong\u003eaero design\u003c\/strong\u003e creates a clean look and is especially well suited to performance-oriented road bike and time-trial setups. The BCD-110x4 mount clearly defines compatibility and allows pairing with compatible ROTOR and selected Shimano 4-arm road cranks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrade B:\u003c\/strong\u003e New product with minor signs of storage. The product is unused and fully functional. There may be minimal signs of use or slight surface scratches. The packaging may be damaged or have been replaced.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTop features at a glance:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e53T aero outer ring for pairing with a 39T inner ring\u003c\/li\u003e\n\u003cli\u003eRound chainring shape with a closed aero design for sporty road and triathlon setups\u003c\/li\u003e\n\u003cli\u003eBCD 110x4 for ROTOR and compatible Shimano 4-arm road cranks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical specifications:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e ROTOR\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e Aero Round Rings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Round aero outer chainring\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use:\u003c\/strong\u003e Road \/ road cycling \/ triathlon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrivetrain:\u003c\/strong\u003e 2-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible speeds:\u003c\/strong\u003e 2x10-speed \/ 2x11-speed\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of teeth:\u003c\/strong\u003e 53 teeth (53T)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible chainring combination:\u003c\/strong\u003e 53\/39 teeth\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt circle diameter:\u003c\/strong\u003e 110 mm BCD\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount:\u003c\/strong\u003e 4-arm (110x4 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChainring shape:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign:\u003c\/strong\u003e Aero\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition:\u003c\/strong\u003e Outer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 7075-T6 aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturing:\u003c\/strong\u003e CNC-machined\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eCompatible with:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eROTOR road bike cranks with compatible BCD-110x4 mm mount\u003c\/li\u003e\n\u003cli\u003eROTOR INspider power meter with compatible 110x4 mm spider\u003c\/li\u003e\n\u003cli\u003eShimano Dura-Ace FC-R9100 and Ultegra FC-R8000 cranks with a compatible mount\u003c\/li\u003e\n\u003cli\u003eCompatible 2x10-speed and 2x11-speed road bike drivetrains\u003c\/li\u003e\n\u003cli\u003eMatching 39-tooth inner chainrings for a 53\/39 combination\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eIncluded:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e1x ROTOR Aero Round Rings 53-tooth outer chainring, black\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e In original packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e C01-518-08020-0 | \u003cstrong\u003eEAN:\u003c\/strong\u003e 8434366017822\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eFor a fast 53\/39 road setup with a classic round gear ratio and distinctive aero design.\u003c\/em\u003e\u003c\/p\u003e","brand":"ROTOR","offers":[{"title":"Default Title","offer_id":57461169586441,"sku":"L2C2","price":25.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3099\/6134\/files\/rotor-aero-round-ring-53t-bcd-110x4-aussenblatt-fuer-39t-innenblatt-rund-b-ware-8176849.jpg?v=1793283274"}],"url":"https:\/\/www.raaad.com\/en\/collections\/kettenblatter.oembed","provider":"RAAAD.com","version":"1.0","type":"link"}