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  1. #1
    your mom
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    Standard STA 500 (the old kind with the huge dropouts
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    using an american BB in a mid BB shell w/o the cups?

    Just a quick question. I may be buying a new frame soon that uses a mid BB. My question is, if I take the bearing cups off my american BB bearings, would it work with the mid BB shell?
    "Do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough troubles of its own." - Matthew 6:34

  2. #2
    Senior Member
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    Aug 2005
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    Pittsburgh, PA
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    '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
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    What's a "mid bottom bracket"?

  3. #3
    your mom
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    it uses the same size bearings as an american BB but the bearing fit dirctly into the BB shell w/o the cups. You can buy american, mid, euro, spanish, etc type of bottom brackets, but Im not sure if the only difference between the american and mid BB's is that one uses bearing cups while the other doesn't. Most new bmx frames(for street/dirt/park not race) come with mid BB shells. I found this: http://www.danscomp.com/serve.php?se...bb_diagram.htm
    "Do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough troubles of its own." - Matthew 6:34

  4. #4
    Senior Member
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    '''96 Litespeed Catalyst, '05 Litespeed Firenze, '06 Litespeed Tuscany, '12 Surly Pacer, All are 3x8,9 or 10. It is hilly around here!
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    Hmm, that's a new one to me. I expect you will get better info on the BMX forum right below this one.

  5. #5
    your mom
    Join Date
    Sep 2005
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    Greensboro, NC
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    Standard STA 500 (the old kind with the huge dropouts
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    That was going to be my next try. Thanks for trying to help tho.
    "Do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough troubles of its own." - Matthew 6:34

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