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Thread: BB cup question

  1. #1
    Senior Member timthorn's Avatar
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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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    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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    slow as I ever was Ex Pres's Avatar
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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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    Quote 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.

  5. #5
    Senior Member Bill Kapaun's Avatar
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  6. #6
    Senior Member timthorn's Avatar
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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.

    Tim

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