Join Date: Nov 2009
Location: Vancouver, WA
Bikes: Gravity Avenue C 43 cm
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So every time the rear wheel makes a rotation, a sound that strongly resembles brake rub emanates from what I think is the hub. I've triple checked that the brakes weren't rubbing, and removed the fender to rule out the possibility of fender rub on the tire.
Also, a strange knocking sound can be heard when the rear wheel is spun slowly, as if there were rocks tumbling around inside the hub.
Are these sounds related, and what can I do to eliminate them?