Rival E1 Crank Arm Assembly

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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 AX S 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 Show more