UT can do two noises, which sound the same and are either bearings or chainring bolts which need tightening. The coupling is solid if the bolt is tight
Cups and bearings are near new, chainring bolts are threadlocked.
@Scilly.Suffolk started
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UT can do two noises, which sound the same and are either bearings or chainring bolts which need tightening. The coupling is solid if the bolt is tight