Originally Posted by
Andrew R Stewart
If the cog set bearings are not freely moving they will try to keep the cogs rotating (as is happening when pedaling, when coasting the cog set is stationary) when coasting. Usually the chain will droop along the upper run when this happens. Andy
Thanks - always a pleasure to learn something new. So the bearings bind and lock the cog set to the hub? How common is this and what would cause it on a relatively new bike?