Onyx "Ultra SS" BMX Race Axle Conversion Kit - 20mm
- Weight : 0.05kg / 0.11lbs
- Packaging Unit: 1 Set
- Product ID (PID): 45992
- Product safety
Weight
Source: BMX Glossary
Printed: 10/30/2026
The Onyx "Ultra SS" BMX Race Axle Conversion Kit - 20mm converts an Onyx Ultra SS rear hub to a 20mm thru axle. The axle is made of 6061-T6 aluminum and 110mm wide, the kit also includes two side caps. It only fits Ultra SS rear hubs.
Onyx hubs need regular maintenance to keep working properly. A bike shop can help you with the replacement.
Facts: Onyx "Ultra SS" BMX Race Axle Conversion Kit - 20mm
- Product Type: axle (conversion kit to 20mm thru axle)
- Material: 6061-T6 aluminum
- Compatibility: Onyx Ultra SS rear hubs only
- Dimensions (d x D x W): width 110mm
- Content: 1 set (1 axle, 2 side caps)

































