Technical & Reference Section > Tech and Restoration

400 flite crank help.

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dordymush:
got a set off 400 flite for my patterson but am having probs with bearings as it never came with any.
got 22mm but there a mile to big.
bought a 19mm set off bof and they wont fit the shaft either.
any idea what they might be.
can you get 20mm to fit a usa bottom bracket.

mattfx81:
You can get a 20mm bb, I had one on a mid school diamondback crank. I think billy's sell an unsealed 20mm bb.

Spen69:
Yep, you can get a 20mm bb for a USA shell Dave - I think Alan's had one? I'll have a look later bud.

john4130:
you could try these from a member on here.
http://www.radbmx.co.uk/forum/index.php'topic=117557.0

bof:
Dave measure the outside diameter of your 22mm bearings ( primo) , if it measures 42mm then you can push out those bearings and buy some 6004 bearings from a bearing factor
or  http://www.winstanleysbmx.com/product/15490/ETC_20mm_Bottom_Bracket

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