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Thread: Loose BB

  1. #1
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    Loose BB

    I recently bought a new bike and I have about 300 miles on it and the Bottom Bracket has gotten loose. So loose that I can spin the splined nut with my fingers. I don't have the tools to tighten it back so what do you think my LBS would charge me to tighten it? Also, is this very common?

  2. #2
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    If you bought it from the LBS, there should be absolutely no charge and they should apologize for having it come loose. If you bought it mail order or from a private party, I expect the LBS will want at least $10 as they will have to remove the crank to get to the bb cup. For about the same $10 you could buy the needed tool.

  3. #3
    Senior Member MudPie's Avatar
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    Quote Originally Posted by 99m6z28 View Post
    Also, is this very common?
    Not common at all, if the bottom bracket was installed properly. In my 20+ years of riding, I never had one come loose.

  4. #4
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    Quote Originally Posted by MudPie View Post
    Not common at all, if the bottom bracket was installed properly. In my 20+ years of riding, I never had one come loose.
    +1. Torqued properly they should never come loose by themselves.

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