Ultra BMX Rear Hub - Black

Machined to the tightest tolerances. Onyx hubs use sprag internals for strength, extremely low rolling resistance and infinite points of engagement. All Onyx hubs come standard with ceramic hybrid bearings so there is no need to upgrade. Hardened heat treated stainless steel driver Integrated labyrinth seal on driver Adjustable side load Patented sprag clutch mechanism Knurled stainless washers with grippers Uses HG compatible cogs 15mm Thru axle capability 40% higher torque capacity than Onyx Pro rear hub