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  1. #1
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    7 speed shifters with 9 speed derailleur.

    Ok, this question have probable been up before but here we go again.

    Is it possible to use a 9-speed rear derailleur with 7-speed index shifters?
    All Shimano, ordinary flat bar shifters, mountainbike stuff.

  2. #2
    Senior Member sydney's Avatar
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    Quote Originally Posted by Berodesign
    Ok, this question have probable been up before but here we go again.

    Is it possible to use a 9-speed rear derailleur with 7-speed index shifters?
    All Shimano, ordinary flat bar shifters, mountainbike stuff.
    Yeah.

  3. #3
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    How come then that Shimano says explicit "9 speed, works with 7 and 8 also" on some of their derailleurs but not on others? Is this something to worry about or not?
    I am thinking about buying a Shimano RD M-510 or a Shimano RD M-750.

  4. #4
    Senior Member sydney's Avatar
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    Quote Originally Posted by Berodesign
    How come then that Shimano says explicit "9 speed, works with 7 and 8 also" on some of their derailleurs but not on others? Is this something to worry about or not?
    I am thinking about buying a Shimano RD M-510 or a Shimano RD M-750.
    Maybe they just neglected to state the obvious.They are functionally identical.Any Sram non ESP type is also shimano compatible and sram says they work with 7,8 or9 speed.

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