Originally Posted by Michael H
The little bolts that are used to increase the bond failed one at a time. When I removed the sprocket most of the bolts had worked out and bent over and a few were just gone. The bolts they use are very small due to no room for anything bigger.
Those little bolts are actually nothing more than grub screws. I noticed one of mine starting to come undone after running for a while so removed them all and re-fitted them with some glue on the threads. No problems since, although I haven't done 19,000 miles on it!
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Andy