• 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.
• 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
• SRAM Model ID: FC-RIV-D1