SRAM Rival Crank Arm Assembly - 160mm, 12/13-Speed, 8-Bolt Direct Mount, DUB Spindle, Black, E1 24" Wheels Bearings are heat-treated and have

Bearings are heat-treated and have surgical grade steel races that are machined simultaneously to ensure perfect matching

This formula has been refined and improved since the late 90's

164459-Q0-L

- Replacement MKII damper subassemby

SRAM Rival Crank Arm Assembly - 160mm, 12/13-Speed, 8-Bolt Direct Mount, DUB Spindle, Black, E1 24" Wheels Bearings are heat-treated and haveSRAM 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