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Old 01-16-08, 09:06 PM
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timthorn
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BB cup question

I have a vintage Campy 3 piece BB, but the cups are ITL threaded. Could I simply purchase any replacement ENG cups, or do find specific cups?
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Old 01-16-08, 09:35 PM
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If the frame is Italian threaded you must use Italian threaded bottom bracket cups. English threads are different in diameter and direction. English drive side cups are left-hand threaded while Italian cups are right hand threaded on both sides. Italian and English cups are not in any way interchangable.
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Old 01-16-08, 09:57 PM
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^^^ In case this is not what you asked.

Easy answer: No, the spindles are slightly different. The Italian has 2mm more between the flanges on it.


Long answer: Well, it depends. If the English cups you buy are thin walled and the cups you currently have are thick walled, then you might get away with it. Really though, buying a complete vintage Campy BB really isn't much more than buying new cups.
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Old 01-17-08, 01:20 PM
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Originally Posted by Bob Barker View Post
^^^ In case this is not what you asked.

Easy answer: No, the spindles are slightly different. The Italian has 2mm more between the flanges on it.
Yeah, that too.
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Old 01-17-08, 01:47 PM
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http://sheldonbrown.com/harris/bottombrackets.html
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Old 01-21-08, 10:24 AM
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Thank you all again for the lesson. This endeavor of bike rebuild/repair would be next to impossible with you all. I utilize 2 reference books and marked parktool.com/repair as my homepage, I love that little java script picture of the bike.

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