{"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","url":"https:\/\/www.raaad.com\/en-en\/products\/rotor-q-rings-oval-innenkettenblatt-39-zahne-bcd-110x4-mm-53-39-2x11-fach-schwarz","provider":"RAAAD.com","version":"1.0","type":"link"}