Surly Ultra New Rear Hub - Threaded x 120mm Rim Brake Fixed/Free Black 32H

Surly Ultra New Rear Hubs Non-Disc.Axle is quick release and bolt-on compatibleStainless 6mm bolts are included; quick release skewer is NOT included6061-T6 forged hub shell (same as the Surly New); 6901 bearings4130 CroMoly axle and stainless cones; agressive knurling on cones and bolt caps for reduced slippageNew axle/cone system uses uses a specific shouldered axle that allows the hubs to be completely adjustment free and simple to service