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  • Platini [quote]SkullheadWilderness [quote]matt (baddesigner) got an old sun, 1960's model, was hoping to replace the cottered crank/bb and give it some tasty wheels. bah.

    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]

    I'd get rid personally - they didn't become obsolescent without good reason....[/quote]

    God I know. But now I fell in love with a 1940s crank I'm stuck with obselete design. It's not the cotter pins that's giving my gyp, its the BB. Which essentially havem't changed right?

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