Onyx Racing Ultra ISO HG BMX Disc Cassette Hubset w/ 16T cog - 36H - Gold - USA Made 14t The tread pattern is K-50

The tread pattern is K-50

Compatibility:Hayes Dyno

The custom brass lever lug allows the inner wire to twist freely within the brake lever eliminating twist and bind even further

They have no warranty against flats and any claim needs to be made directly with the manufacturer

The hole in the center of the casting is 22

Onyx Racing Ultra ISO HG BMX Disc Cassette Hubset w/ 16T cog - 36H - Gold - USA Made 14t The tread pattern is K-50The Onyx BMX Ultra Disc hubs are the go to choice for most adult riders. The rear hub is designed with a larger clutch assembly to handle higher torque inputs and is compatible with Shimano type (Hyperglide) cogs. 100 10mm Axle Helix Bolt on Front Hub ULTRA SSD OX 110 10mm ISO 6 Bolt Disc Bolt on Rear Hub 16T color match aluminum cog included These hubs are MADE IN THE USA! Drilling: 36H Axle (F): 3 8" (10mm) Bolt On Axles (R): 3 8" (10mm) Bolt On