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Bicycle Mechanics Broken bottom bracket? Tacoed wheel? If you're having problems with your bicycle, or just need help fixing a flat, drop in here for the latest on bicycle mechanics & bicycle maintenance.

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Old 08-31-02, 09:07 AM   #1
Yusuf
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Bottom bracket problem

I have a 1980s Holdsworth bike and just recently bought a new 3 piece bottom bracket set, as the original one was pitted on the bearing surfaces. I fitted the new cups but as soon as I put any pressure on the pedals the adjustable cup popped out. On investigation I found the threads on the frame had rusted and the threads had lost their profile. The strange thing is that the old cup doesn't pop out under peddle pressure and at the moment I am using it (reluctantly).
Has anyone got any ideas of what I can do to solve the problem.
I'm on a tight budget by the way.
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Old 09-01-02, 05:29 AM   #2
ljbike
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Find an LBS that can run a tap through the BB shell to clean up those threads and then re-install the new cup using BLUE Loctite.

Shouldn't cost more than $20.
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