mid bb

  • Discuss mid bb in the Beginners / New to BMX forum in area BMX-Forum Community; is mid bb the same as us bb I want a new frame but every street bike seems to be spanish or euro or mid bb I have new us bb cranks (poverty POW) and a... ...
vinniesac

vinniesac

New Member
mid bb post #1
is mid bb the same as us bb I want a new frame but every street bike seems to be spanish or euro or mid bb I have new us bb cranks (poverty POW) and a ton of new parts and dont even want to put them on my old frame
 
flyjumper13

flyjumper13

New Member
mid bb post #2
A mid bb is an r-12 bearing for a 19mm and a custom for 22mm

Now an r-12 is a common bearing used in most american that comes with profile cranks (and most other)

just take the bearing out of the cup
 

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