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Designed for everything unpossible. Polished aluminium crank arms in various lengths and the DUB bottom bracket system ensure that the Rival crank always turns no matter what. A close and even 13-tooth difference between the chainrings ensures precise and reliable shifting. DUB technologyThe crankshaft and bottom bracket assembly is at the heart of DUB technology. This is where stiffness meets durability. SRAM has gone a step further and made everything even simpler and better. It is the system approach through the integration of chainring crank shaft and bottom bracket that means better drivetrain performance. X-RangeRoad bikes are faster and more capable than ever before and riders are expanding whats possible with drop bar bikes. X-Range is gearing for todays road riding. SRAM completely reimagined road gearing for wider range more useful and smoother gear progression as well as smarter shift settingsenabled by AXS. With X-Range youre always in the right gear.
- X-Range gearing technology gives you more range and a smoother gear progression so you’re always in the right gear
- Crisp and accurate front shifts
- DUB bottom bracket adds durability simplicity and virtually universal frame compatibility
- BB Not Included