Rival Crank Arm Assembly E1 Crank Length (mm):172.5 Plenty of space for your

Plenty of space for your day at the office – no matter whether your office is in a meadow

or wrench to operate

like best-in-class efficiency and light weight

Air spring adjust for preload

Merino wool and moisture-wicking recycled polyester blend

Rival Crank Arm Assembly E1 Crank Length (mm):172.5 Plenty of space for yourSRAM 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