Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Fixed Black 32H Torque Wrenches 37 Spindle Interface Type FSA

37 Spindle Interface Type FSA MegaExo Weight 100 BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB/Frame Interface English

Color-matching spacers included

BB Shell Width (mm) 68 BB/Frame Interface BB30 BB/Frame Interface PF30 Spindle Interface Type 386 EVO Weight 89

Torque caps increase the contact surface area between frame and fork resulting in a stronger and stiffer interface and more control

When you head into the unknown the HX 531 with its 30mm internal width is the perfect choice

Surly Ultra New Rear Hub - Threaded x 135mm 6-Bolt Fixed Black 32H Torque Wrenches 37 Spindle Interface Type FSASurly Ultra New Rear Hub Threaded x 135mm 6 Bolt Fixed Black 32H. 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