SRAM Rival 2x 12 Speed ChainsetFeaturing a durable aluminium crankarm construction, this 12 speed chainset is well-equipped for the demands of modern road cycling and gravel bike riding. Benefitting from renowned SRAM technologies such as X-Range gearing and a DUB bottom bracket spindle interface, it also makes it easier to get the performance you want from your drivetrain.12 Speed Chainset with X-Range GearingDue to today’s drop bar bikes being faster and more capable than ever before, riders want a shifting set-up with wide-range gearing to match their wide range of cycling pursuits. But, as the range is only half of the equation, they also want a drivetrain that offers the right gear for any situation. This 12 speed chainset uses its X-Range technology, to give you more range and a smoother gear progression, so you’re always in the right gear.DUB Bottom Bracket TechnologyDeveloped for straightforward installation and unmatched cross-compatibility across brands, this chainset is equipped with a DUB bottom bracket spindle interface. This adds durability and simplicity, while its longer crank spindle accommodates both road and mountain bike (MTB) width frame bottom bracket standards. Its forward-thinking and backwards compatible design makes the SRAM Rival 2x 12 Speed Chainset a great choice of upgrade for better sealing than ever before, crisp and accurate front shifts and consistent chain control over the long haul.Engineered to handle whatever you can throw at it. Polished aluminium crankarms in a wide range of lengths and the DUB bottom bracket system mean the Rival crankset will keep spinning, no matter what. A tight and consistent 13-tooth gap between chainrings makes for accurate and dependable shifting.- 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 technology adds durability, simplicity, and virtually universal frame compatibilityFeatures: Crankarm Material: Aluminium Chainring Material: Aluminium Use: Road, Gravel Speed: 12 speed Bolt Circle Diameter (BCD): 107mm Guard: No guard Chainline: 45mm Bottom Bracket Spindle Interface: DUB Bottom Bracket Compatibility: All SRAM Road DUB BBs Bottom Bracket Included: Not included (compatible BB’s available to purchase separately)Technnologies: SRAM DUB: Forward-thinking and backwards compatible SRAM DUB BB/Crank technology is the workhorse without restraint. Designed for the most discerning pros. And riders who set it and neglect it. DUB is compatible with all major bottom bracket standards. Offering better sealing than ever before, without having to make compromises to fit all frames. Yet it opens the door for a new crank spindle for the world’s all-time lightest crankset. It’s a new approach that embraces the old. And it’s about time.Manufacturer’s Part Numbers: CW8614001 Black 48/35T 170mm 48/35T CW8614002 Black 48/35T 172.5mm 48/35T CW8614003 Black 48/35T 175mm 48/35T CW8614005 Black 46/33T 170mm 46/33T CW8614006 Black 46/33T 172.5mm 46/33T CW8614007 Black 46/33T 175mm 46/33TBuy SRAM Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.