Originally Posted by rousseau

Thanks for the link. There's an "Original 9 speed Campagnolo freehub" designed for Exa cassettes, and a "Current 10 speed Campagnolo freehub" that apparently fits all 9 and 10-speed cassettes.

Can anyone confirm that, as per my original question, the current one would indeed work with a 9-speed Exa drive cassette, and that, by extension, a Mavic 10-speed freehub body for Campy cassettes would as well?