Surly Ultra New Rear Hub - Threaded x 135mm Rim Brake Fixed/Free Black 32H Model=HXC 1501 Spline ONE Rear Wheel mountain bikes with 5-arm crank

mountain bikes with 5-arm crank power meters

This lock is constructed of hardened steel and provides high security

Designed for running

Hollow core aluminum with machined sidewalls for precise braking and handling

Specifications Frameset

Surly Ultra New Rear Hub - Threaded x 135mm Rim Brake Fixed/Free Black 32H Model=HXC 1501 Spline ONE Rear Wheel mountain bikes with 5-arm crankSurly Ultra New Rear Hubs Non Disc. Axle is quick release and bolt on compatible Stainless 6mm bolts are included; quick release skewer is NOT included 6061 T6 forged hub shell (same as the Surly New); 6901 bearings 4130 CroMoly axle and stainless cones; agressive knurling on cones and bolt caps for reduced slippage New axle cone system uses uses a specific shouldered axle that allows the hubs to be completely adjustment free and simple to service