SRAM Rival Crank Arm Assembly - 170mm, 12/13-Speed, 8-Bolt Direct Mount, DUB Spindle, Black, E1 Belt Drive Parts & Tools High-flow steel barrel

High-flow steel barrel

Manufacturer Part Number: 28031041219

UPC: 072774901937

Charger RC Damper featuring low speed compression adjust

100% recyclable polypropylene

SRAM Rival Crank Arm Assembly - 170mm, 12/13-Speed, 8-Bolt Direct Mount, DUB Spindle, Black, E1 Belt Drive Parts & Tools High-flow steel barrelSRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio, with material only where its needed 8 bolt interface compatible with power and non power AXS spiders and integrated chainrings (Chainring and spider sold separately) DUB bottom bracket adds durability and simplicity (Bottom bracket sold separately) Aluminum arms optimized for stiffness and light weight Product Specifics