The Onyx Ultra Rear BMX hubs have quickly become the "Gold Standard" through the racing scene. The Onyx Ultra instant-engagement hub means no play in the drive system with instant reaction to torque.
- Ceramic Hybrid bearings
- Instant engagement
- Machined alloy lockring
- Shimano compatible driver fits several cog options including the Onyx Cog (not included)
- 36 Hole
- Titanium female axle bolts
Available with 10mm female bolts, 15mm female bolts or 15mm thru axle.