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RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  us/mid bb
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Author Topic: us/mid bb  (Read 861 times)

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rarman1

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us/mid bb
« on: March 07, 2007, 12:14 AM »

sorry chaps but am i to belive that US/MID BB are the same

darkersomeday

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Re: us/mid bb
« Reply #1 on: March 07, 2007, 01:13 AM »
yes sir,
the mid bottom bracket is designed to use profile 19mm axle sixed sized bearings without the alloy cups the would normally sit in the frame,

primo usa 22m axle sized bearings are a little bigger and wont fit in the mid bb,

what crank and bottom bracket do you have/intend to fit?

rarman1

  • Guest
Re: us/mid bb
« Reply #2 on: March 07, 2007, 07:39 PM »

bugger got a new sunday frame from winstanleys, already own primo powerbites, am i stuffed

Offline harris

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Re: us/mid bb
« Reply #3 on: March 07, 2007, 07:44 PM »
if you go to a bearing supplies ,tell them the bb size and your axle size then they might match them.

rarman1

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Re: us/mid bb
« Reply #4 on: March 07, 2007, 07:50 PM »
that sounds good as i really like my powerbites, do you know of a bearing shop in london dan ?

Offline harris

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Re: us/mid bb
« Reply #5 on: March 07, 2007, 07:52 PM »
im in suffolk i use a local company called thetford bearing supplies
so you should easily find one in the book mate.

rarman1

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Re: us/mid bb
« Reply #6 on: March 07, 2007, 08:30 PM »
iv'e just seen that odyssey do a mid bb for 22mm cranks sorted then ;)

Offline harris

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Re: us/mid bb
« Reply #7 on: March 07, 2007, 08:33 PM »
 :)

RADBMX.CO.UK  |  Technical & Reference Section  |  Tech and Restoration  |  us/mid bb
 

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