Thread: How to tighten bottom bracket - drivetrain side [preferably without special tool(s)]?
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Old 10-01-23 | 07:39 PM
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JohnDThompson
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From: Appleton WI

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Originally Posted by Chombi1
My brother is having a similar problem with the Italian threaded fixed cup on his Guerciotti.
He said the cup started unscrewing itself off the BB shell towards the end of two recent rides.
He said he thoroughly cleaned the threads of the BB shell and fixed cup and screwed it on as tight as possible with the proper tools, but the problem persists happening again in the next ride he took.
[…] Should he use blue or the stronger, red Locktite?
No, don't use red Loctite unless you never want to remove that cup again. Blue Loctite is sufficient, and it helps if you have a shop-quality fixed-cup tool to install the cup, e.g. Campagnolo #793, VAR #30, or Hozan C-352 rather than the simple stamped fixed cup tools.
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