Onyx "Ultra" BMX Race Retaining Ring - 38.1mm
- Weight : 0.05kg / 0.11lbs
- Packaging Unit: 1 Piece
- Product ID (PID): 46004
- Product safety
Weight
Source: BMX Glossary
Printed: 10/29/2026
The Onyx "Ultra" BMX Race Retaining Ring - 38.1mm is the replacement retaining ring that holds the clutch bearing inside the freehub body of Onyx Ultra rear hubs. It has an internal diameter of 1.5" (38.10mm), fits Onyx Ultra 10mm and 15mm rear hubs (each also ISO) 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" BMX Race Retaining Ring - 38.1mm
- Product Type: retaining ring for the clutch bearing inside the freehub body
- Compatibility: Onyx Ultra 10mm, Ultra ISO 10mm, Ultra 15mm and Ultra ISO 15mm rear hubs
- Dimensions (d x D x W): internal diameter 1.5" (38.10mm)
- Content: 1 piece






























