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  1. #1
    cs1
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    Shimano 9sp to 7sp hub question

    Can you run a 7 sp cassette on a current 9 sp freehub with a spacer? If not can you swap a 7 sp freehub body on the hub and redish the wheel? Sounds crazy but I have an almost new Deore 7 speed group that I want to swap out on a cross bike project.

    Tim
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  2. #2
    Gone, but not forgotten Sheldon Brown's Avatar
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    Quote Originally Posted by cs1
    Can you run a 7 sp cassette on a current 9 sp freehub with a spacer?
    Sure. You need a 4.5 mm spacer. Any decent bike shop should be able to provide this.

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  3. #3
    cs1
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    Quote Originally Posted by Sheldon Brown
    Sure. You need a 4.5 mm spacer. Any decent bike shop should be able to provide this.

    Sheldon "Space, The Final Frontier" Brown
    Code:
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    |  I reckon there's more things told than are true,  |  
    |  And more things true than are told.               |
    |                                 --Rudyard Kipling  |
    +----------------------------------------------------+
    Something told me you would know the answer to this. Thanks for the help.

    Tim
    1999 Waterford RSE-11, 1995 Waterford 1200, 1989 Specialized Rockhopper Comp
    1989 Raleigh Technium, 1989 Schwinn Traveler, 1986 Specialized Rockhopper
    1984 Specialized Stumpjumper, 1986 Specialized Stumpjumper and just way too many projects to list.

  4. #4
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    I doubt this would meet with universal approval, but i am doing what you want to do. I am using a knackered cog from an old cassette as the spacer. Works just as well so long as you don't look at the ugly old thing!
    Who needs 9 speeds anyway! (he says clutching 10 speed centaur bits)

  5. #5
    Senior Member Grand Bois's Avatar
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    This one is a seven speed with a nine speed wheel. I think I probably got the 4.5 mm spacer from Sheldon.

    http://community.webshots.com/photo/...68014369opcapm

    The rear derailer and front hub are Ultegra. I like to be different.

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