Race Face Aeffect-R 137mm Spindle Crank Arms - Mountain Bike Crankset for Trail & Enduro Riding - High-Performance Bike Parts for MTB Enthusiasts

Features: Please Note: This is For Arms Only Length: 165mm Alloy or Steel DM Ring CINCH removable spider interface Deep pocket net forged from 7050 AL for superior stiffness Built for: XC / Trail / All Mountain / Enduro / Fatbike Spindle size: 24mm (5 lengths available) Spindle: 24mm EXI Spindle BB Compatibility: BSA, BB92, PF30 Cinch Spider Interface Weight: 632g (32T DM Alloy, withO BB). Material: 7050 Aluminium Alloy Designed in Canada, the rally-rated Ãffect R crankset brings enduro rated strength but keeps the weight in the XC range. Its forged 7050 AL construction optimizes stiffness without added weight. The Ãffect R features our versatile CINCH System for plenty of spider options as well as our trusted 24mm EXI interface spindle. In addition to our 170 and 175mm lengths, we've added in a 165mm length, making it a solid crankset choice for today's hard charging trail rider.