Originally Posted by
gster
I think that's a sign of an over tightened hub.....
I found a sun gear with the same wear pattern on
a bike a while back.
The hub had some slack in it for sure, somehow this hub with the large diameter left side bearing to accommodate the coaster brake was really tough to get adjusted as I like them and this one was actually looser than I run an AW of mine that has thousands of miles on it.