36-hole rear hub Iso Ultra SS

Machined from top-of-the-range aluminum, the ONYX Ultra SS rear hub offers BMX riders the renowned quality of ONYX products made at USA. It is equipped with the ONYX instant engagement system, offering direct engagement without any pedaling friction. It's mounted on hybrid-ceramic bearings that offer a very low coefficient of friction and excellent power transfer. It also features an ISO 6-screw disc mount for riders who wish to switch to disc brakes.

CHARACTERISTICS:
- CNC-machined 7075-T6 aluminum body
- Sealed hybrid-ceramic bearings
- ISO 6-screw disc holder
- Standard aluminum freewheel body ONYX SS
- Instant engagement ONYX
- Aluminum axle body
- BTR screw tightening

- Width: 110mm
- Drilling: 36 holes
- Weight: 575g