It had to be wobbling at some point to wear like that. Alignment looks like the culprit or one helluva tight spot in the chain
so i got an f3 wheel with a sprocket. on this sprocket is a significant amount of wear.
however, the wear is uneven throughout the sprocket.
if you picture the sprocket like a clock, at the 3 and 6 oclock there is no wear at all.
at the 10-2 there is a significant amount of wear on the front of the sprocket
at 4-8 there is a significant amount of wear on the back of the sprocket.
this doesn't seem like it was a wheel alignment issue, the wear would have been all on the same side then.
best guess I can come up with is the wheel was aligned, but the sprocket was tilted in relation to the wheel? how does this happen? bent carrier? bent sprocket? improper seating of bearings? cush drives crushed on one side but not other?
Last edited by mad8vskillz; 08-08-2012 at 04:29 PM.
I'm guessing that the hub face is not normal to the axle. Or the sprocket was torqued down funny. Or there was a bit of dirt betweent he sprocket and hub when it was torqued down. Basically, the sprocket was not aligned to the hub properly, so while the wheel is in alignment, the sprocket is not.
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