Technical & Reference Section > Tech and Restoration

BB's for 1 pc crank

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uk-fresh:
Please someone help me here it is doing my head in.
I have 2 1pc cranks, a tagagi mx (T7.81) and a mongoose (T165, 24), I have purchased to BB's from ebay a 24tpi & 28tpi and I cannot get any of them to go on either crank. I have tightened as far as I can and am still left with approx 1/2cm gap so the the chainwheel just wobbles about. What am I doing wrong??? Could they be duff BB's?
 "help"

BMX1973:
From what you have said it should work. Normally each crank would say 24 or 28! 

Can you post a pic of what you have done?  :)

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