Thread: British and Italian thread question
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Old 06-04-11 | 08:40 PM
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JohnDThompson
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Originally Posted by deathhare
Thanks.
There is a diameter difference too, right?
This british BB I bought falls right thru the hole without touching threads.

BTW, the shell of this bike is 70mm.
Yes. Italian shells are 36mm inside diameter; English shells are 1.37" (34.8mm) inside diameter. In conjuction with a 70mm wide shell, it appears you have an Italian thread bottom bracket.
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