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@Joseph
The fixed cup of my BB keeps getting loose after a bit of harsh riding. I tighten it so there is no play with my cranks/spindle so it runs smooth, which I guess is optimal. So don't know what I am doing wrong, or is this just normal? Have I got the BB in too tight causing a good connection between ball bearings and thus allowing pedal resistance / back pedalling to loosen the cup? Not enough grease (I put a lot onto the bearings)? Too much grease on the shell threads (I assumed I'd need a little bit)? Kind of annoying because the less tools I need to buy to take up to university, the better!
Thanks!