Originally Posted by
iareConfusE
I'm not sure if this is true just for Campy, but for Shimano I've fit a 10spd cassette on a wheel that came with an 8spd casette and vice versa just fine. On the Shimano freehub body the size is the same, just the spacing between the cogs is different.
That has nothing to do with campy. Campy 8 is 100% not compatible with 9/10.