Bicycle Mechanics - Shimano UN-54 BB
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06-15-08, 03:31 PM
Would it be a good idea to use my old metal mounting ring instead of the new plastic ring on a BB replacement?
06-15-08, 03:48 PM
06-15-08, 03:55 PM
The plastic ring is supposed to be much less prone to creaking. They do break easier, though. Test thread it into the BB and chase the threads if necessary.
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