Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Threaded Black 32H MFPN=12127 41 BB/Frame Interface BB86 BB/Frame

41 BB/Frame Interface BB86 BB/Frame Interface BB92 BB Shell Width (mm) 86 BB Shell Width (mm) 92 Weight 100 Spindle Interface Type SRAM/Truvativ GXP Defined Color Black

SRAM XD and XDR bodies sold separately (890732 or 891051)

and feel like a second skin between your feet and boots

On the outside

Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Threaded Black 32H MFPN=12127 41 BB/Frame Interface BB86 BB/FrameSurly 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