Quick Summary
The Ritchey WCS 1-Bolt Seatpost Clamp Adaptors are saddle rail clamp outer-pieces for WCS Alloy 1-bolt seatposts. This 7 x 9.6 mm version is one of the available adaptor sizes and is intended to retrofit compatible WCS 1-bolt alloy seatposts.
If you are choosing between versions, the rail size is the main detail to check. The adaptors are listed in 7 x 7 mm, 8 x 8.5 mm or 7 x 9.6 mm options, so the selected size needs to match the saddle rail dimensions on the seatpost setup.
Key Details
| Detail | Verified information and buyer relevance | |
|---|---|---|
| Brand | Ritchey. Useful for matching the adaptor to the correct WCS product family. | |
| Product type | Seatpost clamp adaptors for saddle rail clamp outer-pieces. | |
| Compatibility | For WCS Alloy 1-bolt posts. Check the exact seatpost model before ordering. | |
| Size | 7 x 9.6 mm. This is the rail dimension the adaptor is made for. | |
| Other available sizes | 7 x 7 mm and 8 x 8.5 mm are also listed, so size selection matters. | |
| Material | 7050 alloy. | Useful when comparing the adaptor with other clamp parts in the same setup. |
What to Compare Before Buying
- Rail size: This adaptor is the 7 x 9.6 mm version, so it needs to match the saddle rail dimensions you are working with.
- Seatpost family: It is made for WCS Alloy 1-bolt posts, so confirm the seatpost is from that range.
- Version choice: Other listed sizes include 7 x 7 mm and 8 x 8.5 mm, so avoid assuming the sizes are interchangeable.
- Material: The adaptor is 7050 alloy, which is a useful check if you are replacing a matching part in an existing setup.
Before You Decide
Confirm the exact WCS 1-bolt seatpost model and choose the correct rail size before ordering. This 7 x 9.6 mm adaptor is only one of the available versions, so the right fit depends on the saddle rail dimensions on your setup.








