Onyx "Ultra SS" BMX Race Retaining Ring - 42mm
- Weight : 0.05kg / 0.11lbs
- Packaging Unit: 1 Piece
- Product ID (PID): 45994
- Product safety
Weight
Source: BMX Glossary
Printed: 10/29/2026
The Onyx "Ultra SS" BMX Race Retaining Ring - 42mm is the replacement retaining ring that holds the clutch bearing inside the driver of Onyx Ultra SS rear hubs. It has a 42mm internal diameter, fits Ultra SS hubs with 10mm, 15mm and 20mm axle, each also in the ISO version, and is sold individually.
Onyx hubs need regular maintenance to keep working properly. A bike shop can help you with the replacement.
Facts: Onyx "Ultra SS" BMX Race Retaining Ring - 42mm
- Product Type: retaining ring (internal ring for the clutch bearing in the driver)
- Compatibility: Onyx Ultra SS 10mm, ISO 10mm, 15mm, ISO 15mm, 20mm and ISO 20mm rear hubs
- Dimensions (d x D x W): internal diameter 42mm
- Content: 1 piece





























