SRAM Rival Crank Arm Assembly - 172.5mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 Package-Each the head of the bolt

the head of the bolt abraded long before the carbide tip wore down

DUB bottom bracket (Sold separately) adds durability and simplicity

CO2 release is easily controlled by pressing the button on the back of the inflator head

}Chromag BZA Handlebar - 35mm Clamp 15mm Rise Black/Orange

SRAM Rival Crank Arm Assembly - 172.5mm 12/13-Speed 8-Bolt Direct Mount DUB Spindle BLK E1 Package-Each the head of the boltSRAM Rival Crank Arm Assembly 172. 5mm 12 13 Speed 8 Bolt Direct Mount DUB Spindle Black E1. SRAM has taken aluminum to another level. Careful engineering has resulted in crankarms that optimize stiffness to weight ratio with material only where its needed8 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