Joined: Aug 2010
Posts: 472
Likes: 0
From: Washington
Bikes: Serotta Davis Phinney, 1992 Serotta T Max,1984 Specialized Allez, Olmo, 1974 Strawberry,Redline bmx, ect.,
I have never needed to replace one from wear. Shimano gives you a new one with each cassette, but I have seen people split the alloy freehub body or strip it from over tightening.