Onyx BMX Pro Rear Hub - 3/8", 10 x 100mm, 36H Color:Black seat and forks and an

seat and forks and an integrated headset

The connection between you and your bars

5 Bolt design

you'll need less energy to achieve the same elapsed time

the R4 Race Collar can be worn on the track or trail with minimal distraction and maximum comfort

Onyx BMX Pro Rear Hub - 3/8", 10 x 100mm, 36H Color:Black seat and forks and anMachined 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. Ceramic hybrid bearings 7075 Aluminum Hub Shell Adjustable preload Titanium bolts Extremely low rolling resistance Silent instant engagement 5 year limited warranty Made in the USA Hardened heat treated stainless