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Bmx Bike Question [Help] +Rep
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Bmx Bike Question [Help] +RepPosted:

Dexy
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I'm looking to build a bike but I need help with somethings. First of all what size bottom bracket would I get for this [ Register or Signin to view external links. ] ?

I'm wanting to get [ Register or Signin to view external links. ] but I don't know what size. Either 19mm or 22mm.
#2. Posted:
DBK
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Get. 20.75 or a 21 if you can but if you said he can get either the 19 or 22 get the 22 the compress it down if you have to! Hope this helps!
#3. Posted:
TwinAtlantic
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xDBK wrote Get. 20.75 or a 21 if you can but if you said he can get either the 19 or 22 get the 22 the compress it down if you have to! Hope this helps!


First of all, I don't mean it in a bad way, the 20.75 or 21 is the length of the top tube, not bb size...


secondly, and the size of bb doesnt matter on frame, you will need a MID bb

the size matters on the cranks you get, cranks either come in 19mm or 22mm, Id go with 19mm because they're more common
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