Spinning Bottom Bracket

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  • So I switched out the bottom bracket in my bike for a less wide one to get the chainline right.

    Greased the threads on both, didn't cross thread. However it's now just spinning in the shell, won't loosen and won't tighten.

    Suggestions welcome.

  • BSA BB in an ITA shell?

  • If it isn't ^, then it does sound like the thread is shot: perhaps the cups rather than the shell.

    Is there a lip on the cups, so you can pull them away from the shell as you turn it?

    Hopefully they'll then engage with whatever thread is left and you can get them out.

    What's the BB? Bought new? Pics?

  • Suggestions welcome

    Throw it all away and get other things that don't do this.

    Hope this helps.

  • Best advice ever.

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Spinning Bottom Bracket

Posted by Avatar for Joni_Doe @Joni_Doe

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