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@mattmadegood
I need someone with experience of cotter crank BBs to tell me how to take one apart and fix a bit of play mine has - any tips, or know anyone who's good at that stuff?[/quote]
yeah, while they do look nice, i've got some play between the chain ring and the crank arm on mine, plus i 'smudged' the threads on the cotter pins when i wellied them out (i was expecting more resistance i guess). if yours is playing up, i'd recommend replacing it and the BB with a regular set-up, only leave if (like on one of our lastest projects) its a french BB and going to cause mucho grief. my girl vic is riding a cottered raleigh and we've had no real trouble, just the odd loose nut. if that fails on her, or the BB goes, its a pink nitto for the lady. :D