Campagnolo Freehub Body - FH-BU015

This freehub body is designed for Campagnolo 9, 10, and 11-speed cassettes. It also supports Shimano HG 8, 9, 10, and 11-speed cassettes.

It is compatible with Campagnolo and Fulcrum wheels that feature 12mm axles and sealed cartridge bearings, including models like Calima, and pre-2014 versions of Vento, Scirocco, Khamsin, and Bullet.

This freehub body is designed for Campagnolo and Fulcrum wheels with specific axle and bearing types. While it supports Shimano HG cassettes, it is not designed to fit directly onto standard Shimano freehub bodies or wheels.

No, the FH-BU015 is specifically for Campagnolo 9, 10, and 11-speed cassettes. A different freehub body is required for 12-speed Campagnolo systems.

A 12mm axle is typically a thru-axle system. Check your wheel's documentation or measure the diameter of the axle if unsure. Many Campagnolo and Fulcrum wheels from the specified eras used 12mm axles.

Yes, installing a freehub body usually requires specialized bicycle tools such as a cassette lockring tool and a specific freehub body removal tool. Professional installation is recommended if you are not experienced.

The FH-BU015X1 is a specific variant or revision of the freehub body. While both are genuine Campagnolo parts for similar applications, there might be minor internal or material differences. Always refer to the specific part number required for your wheelset.

The freehub body pawls may not be engaging. This could be due to dirt or damage. Professional servicing or replacement may be required.

Check that the freehub body is properly tightened onto the hub. Ensure all components are correctly seated and secured according to manufacturer specifications.

Ensure you are using the correct tool and that the freehub body's threads are clean and free of debris. Verify compatibility with your specific hub.

While often a derailleur issue, ensure the freehub body is functioning correctly and the cassette is securely mounted. Check for any damage to the freehub body's engagement points.