Designed to handle whatever you can throw at it. Polished aluminum 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. FEATURES: 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 SPECS: Number of Chainrings: Double Chainline/Hub Compatibility: 135/142 Road Disc Hubs < 415 mm Chainstay Spindle Interface Type: SRAM DUB Chainring BCD: 107 keyword search: Rival AXS Color: Black Crank Intended Use: Road Pedal Spindle: 9/16" Crank Length (mm): multiple sizes Rings: multiple sizes Drivetrain Speeds: 12 Defined Color: Black BB Included: No