Bicycle Mechanics - Shimano UN-54 BB

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Fredmertz51
06-15-08, 02:31 PM
Would it be a good idea to use my old metal mounting ring instead of the new plastic ring on a BB replacement?

operator
06-15-08, 02:48 PM
No
Litespeedlouie
06-15-08, 02:55 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.