Thread: bottom brackets replacement 80's bianchi
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Old 03-19-11 | 11:31 AM
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JohnDThompson
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Originally Posted by nwbikeman
The only reason to replace is because it is worn out or scored in some way that it doesn't spin freely. Take it back apart and the cups should be marked 35x1 or 137x24 ect. as to English or Italian and the match the axle dimensions.
Err, make that "36 x 24F" for Italian and "1.37 x 24tpi" for English.

"35 x 1" is French.
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