Shimano SLX HB-M678 Rear Hub - 32 Hole - Black - 12mm Thru-Axle Steerer Type_Tapered SRAM's Dual Drive Click box MH-329245 / B37 i1 Size:Medium (55-58cm) Quicker bursts Spokes

SRAM's Dual Drive Click box attaches to the Dual Drive hub—and the Dual Drive shifter via cable—so you can shift between the hub's three internal gears

Minimum insertion: 90mm (excluding actuator) / 130mm (including actuator)

The hub is an Easton X4 which roll on sealed cartridge bearings and are available in variety of axle configurations

Includes left hand crank

We want your bike to look as fast as you are

Shimano SLX HB M678 Rear Hub 32 Hole Black 12mm Thru Axle Steerer Type_Tapered SRAM's Dual Drive Click box MH 329245 B37 i1 Size:Medium (55 58cm) Quicker bursts Spokes SRAM's Dual Drive Click box attaches to the Dual Drive hub—and the Dual Drive shifter via cable—so you can shift between the hub's three internal gears Minimum insertion: 90mm (excluding actuator) 130mm (including actuator)