SRAM X0 Ebike Crank Arm Set All The Durability The X0 Eagle E-MTB crankset is all the durability you expect from X0, optimized for E-MTB. The eye-catching all-aluminum design utilizes a perfectly balanced stiffness-to-weight ratio. The X0 Eagle E-MTB Crankset and X0 Eagle Transmission (T-Type) direct mount chainring delivers premier shifting performance, reliable strength, and optional bolt-on guards to protect your ring in the roughest terrain. Features Optimizedstiffness-to-weightratio All aluminum construction that is lightweight and durable Designed for E-MTBSPECIFICATIONSSpeeds12-Speed BB Compatibility ISISChain Ring Direct Mount Crank Arm Length160, 165, 170mm BB Spindle Interface ISISChainring Material-Bolt Center Diameter (BCD)Direct Mount Crank Arm Material Aluminum Chainline-Bottom Bracket Included No Intended Use E-MTBWeight490g (160mm) | Sram | X0 Ebike Crank Arm Set 170Mm Isis | Aluminum