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Old 08-24-06, 12:17 AM   #1
Pain4Pleasure
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american and mid

ok i heard mid bearings and american bearings are the same so does that mean you can just pop the bearing out of the cup on the american and use it on a mid size bearing frame?.........just wondering
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Old 08-24-06, 04:40 PM   #2
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A Mid is an American without the cup. Press the bearing into the frame, minus the cup.
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Old 08-24-06, 04:44 PM   #3
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No. A Mid, when using a 3/4" (19mm) spindle uses the standard R12 bearings that a Profile or Odyssey crank will come with in the American BB kits. If you use a 22mm spindle, though, you'll need a custom bearing, as the outer diameter will be too wide.
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Old 08-24-06, 04:46 PM   #4
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Quote:
Originally Posted by Beerman
No. A Mid, when using a 3/4" (19mm) spindle uses the standard R12 bearings that a Profile or Odyssey crank will come with in the American BB kits. If you use a 22mm spindle, though, you'll need a custom bearing, as the outer diameter will be too wide.
I'm so stuck on those 2 brands I forget others exist.
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Old 08-24-06, 07:36 PM   #5
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ok thanks!
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Old 08-26-06, 04:21 AM   #6
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confusingly the 22mm mid bearing is also called an r12
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Old 08-26-06, 09:54 AM   #7
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I believe that R12 refers to the outer diameter.
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