Rear hub ISO ultra

Machined from top-of-the-range aluminum, the ONYX Ultra 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 is designed for riders using a frame that offers the option of mounting a 15mm diameter axle at the rear. It also comes with a 6-screw ISO-type disc holder for riders wishing 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 Shimano
- Instant engagement ONYX
- Aluminum axle body
- Axle diameter: 15mm through
- Width: 110mm
- Drilling: 36 holes
- Weight: 420g