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got a jump bike frame i am buiding i have been looking for a suitible bb for a few days now wear do i get one from and how do i know if it will fit. tried the usual places crc ect. even emailed the local bmx shop as the cranks look like ones of a bmx but he cant help,,,,,,,,,,,,
Have you tried tarty bikes? They are in Preston, bamber bridge I think. Worth a go.if you know exactly what size you need I can try my supplier for ou.
Regards
Richard
If it's a Euro BB then it is identical thread etc to a regular MTB BB.If you mean you need new cups and bearings for a 3 piece crankset you'll need to measure the diameter of the BB axle typically 19mm or 22mm.Best place to look would be here.
http://www.alansbmx.com/23/bottom_brackets.aspx