{"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","url":"https:\/\/www.raaad.com\/en\/products\/b-ware-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"}