Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Fixed Black 32H MFPN=AH20125MNTS-B Wide Hookless Bead - Gravity

Wide Hookless Bead - Gravity optimized anti-pinch flat protection

keyless locking offers user-friendly operation

Vendor Nitto Manufacture Number SP-6 22

It is very light and hidden on the inside of the rim and therefore perfectly suited for high aero wheels

Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Fixed Black 32H MFPN=AH20125MNTS-B Wide Hookless Bead - GravitySurly Ultra New Disc Rear Hubs. 6061 T6 forged hub shell (same as the Surly New); 6901 bearings Axle is quick release and bolt on compatible Stainless 6mm bolts are included; quick release skewer is NOT included 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 Color