{"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","url":"https:\/\/www.raaad.com\/en-en\/products\/rotor-round-rings-innenkettenblatt-42-zahne-bcd-110x4-mm-54-42-55-42-2x10-11-fach-schwarz","provider":"RAAAD.com","version":"1.0","type":"link"}