Campagnolo Campagnolo/ Fulcrum 27.0mm Aluminum Lockring for 12t First Cog, Campagnolo 11-speed Cassettes Only

Campagnolo Cassette Lockrings.

- Fits 2000 and newer Campagnolo wheels
- Fits all Fulcrum wheels
- Fits 1999 Record/Chorus hubs and all Campy hubs 2000-newer
- 27.0mm thread OD
- For use only with Campagnolo 11-speed cassettes with 12 tooth first position cogs