Surly Ultra New Disc Front Hub - QR x 100mm 6-Bolt Black 32h Mount Type-6B 5 Wall Dbl Side NMSW

5 Wall Dbl Side NMSW Color Black Hole Count 32 Valve PV Weight ERD 339 Extras

Specifically engineered for use in bicycle brake systems and is compatible with all current brakes

Compatible with SRAM 12-speed systems

Uses an extremely elastic tread base for very low rolling resistance and a stable center and extra shoulder grip for performance and cornering

Surly Ultra New Disc Front Hub - QR x 100mm 6-Bolt Black 32h Mount Type-6B 5 Wall Dbl Side NMSWSurly Ultra New Disc Front Hub QR x 100mm 6 Bolt Black 32h. Surly Ultra New Disc Front 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