Description
Replacement sprag clutches for Onyx Racing Products hubs.
- Note! When purchasing replacement sprag clutches, it’s best to ensure compatibility by email. Check your driver serial number according to the instructions found here, and send it by email to info@onyxhubseurope.com or write down the driver serial number in the note section during the checkout process.
- Refer to the table below to determine the type used in your hub. No 100% accuracy is guaranteed! Get in touch by email to verify the correct model for your hub.
- Important note! Sprag clutches were updated in 2022 and may require additional parts to be compatible with your hub. To ensure that you are supplied with the right part, please get in touch before or after placing the order to verify compatibility. The required information includes when the hub was purchased and the serial number on the freehub driver body (if accessible).
| Hub Model | Clutch Model |
| OHM | 432-Z2 |
| Pro | 432-Z |
| Ultra | 437-Z |
| Ultra SS | 442-Z |
| Vesper | 432-Z and 432-Z2 |
| Classic | 432-Z – 2 units |
| FAT | 432-Z – 2 units |
When servicing the Onyx sprag clutch mechanism, ensure that only Kluber ISOFLEX LDS 18 Special grease is used for service procedures!
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