Surly 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
WARNING Handling this product will expose you to chemicals, including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling. For further information go to www.P65Warnings.ca.gov.