Originally Posted by mechBgon

I think Kimmo's point is that the bearing that actually supports the axle in the hub shell is waaaaay inboard (the ones in the cassette body just let the cassette body coast, serving the role of the zillions of tiny little balls in a Shimano cassette body). That said, I've never seen a Campy freehub with a broken axle, so hey, it does its job.

Getting back to the main issue, replacing the hub with a 105 sounds good, but Tiagra's an even better value at $45 (whereas 105 is $100), and is basically the same hub. That could be an idea.