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