Thread: Bottom bracket size
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Old 11-30-14 | 09:29 PM
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JohnDThompson
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Originally Posted by Yikesthedog
I have and old (what I believe to be) late 80's Pinarello frame I am rebuilding. The BB is an old Campy one that is shot. I would like to put in a Shimano one. How do I tell if it is Italian thread and what size I need. .
Campagnolo put the thread spec on their BB cups. If it's Italian thread, it should show "36 x 24 tpi"; if it's English, it should show "1.37 x 24 tpi"
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