SRAM Rival E1 Crank Arm Assembly

Careful engineering has resulted in crankarms that optimize stiffness to weight ratio, with material only where it’s needed. 8-bolt interface compatible with power and non-power AXS spiders and integrated chainrings DUB bottom bracket adds durability and simplicity Aluminum arms optimized for stiffness and light weight SRAM Model ID FC-RIV-ASSY-E1 Attributes BCD Direct Mount SRAM 8 Bolt Interface DUB Position Set Primary Color Black