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  1. #1
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    What is the difference between the 7 or 8 speed rear der guide pulley and the 9 speed rear der guide pulley? One difference is the 7 or 8 speed guide pulley is 10 tooth and the 9 speed is 11 tooth. Are they interchangeable?

    Edit: Sorry... Shimano Ultegra rear der. I want to put 9 speed pulleys on 7 speed der.
    Last edited by Rman; 08-02-05 at 01:39 AM.

  2. #2
    Spoked to Death phidauex's Avatar
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    You may want to specify what brand, year, and model of derailleur you are talking about. There are only about 10,000 possibilities.

    But just to toss out some random maybe-related info, Shimano 7 and 8 speed guide pulleys have no problems with 9 speed chains or drives. Whether or not they are interchangable for replacement purposes is unknown from your post, though I wouldn't count on parts that are 5 years apart having many interchangable parts.

    peace,
    sam

  3. #3
    Senior Member sydney's Avatar
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    Quote Originally Posted by Rman
    What is the difference between the 7 or 8 speed rear der guide pulley and the 9 speed rear der guide pulley? One difference is the 7 or 8 speed guide pulley is 10 tooth and the 9 speed is 11 tooth. Are they interchangeable?

    Edit: Sorry... Shimano Ultegra rear der. I want to put 9 speed pulleys on 7 speed der.
    If they fit, do it.

  4. #4
    Sometimes knows stuff. rmfnla's Avatar
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    Quote Originally Posted by sydney
    If they fit, do it.
    Exactly!

    And if they don't fit, probably nothing will explode.
    Today, I believe my jurisdiction ends here...

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