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  1. #1
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    Will my 9 speed XO rear derailleur work with 10 speed?

    I'm would imagine that this topic has been covered before, but I couldn't find it. Like a lot of guys, I want to convert to 10 speed if the new SRAM gripshifters ever show up. Can I use my XO 9 speed medium cage derailleur with 10 speed shifters and a 10 speed cassette?

  2. #2
    Nouveau Retrogrouch SuperModerator
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    Quote Originally Posted by TTTURNER View Post
    I'm would imagine that this topic has been covered before, but I couldn't find it. Like a lot of guys, I want to convert to 10 speed if the new SRAM gripshifters ever show up. Can I use my XO 9 speed medium cage derailleur with 10 speed shifters and a 10 speed cassette?
    No. Can not mix SRAM 9-sp and 10-sp RDs/shifters
    mtbtires.com
    The trouble with common sense is it is no longer common

  3. #3
    Former Bike Wrench
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    Sram 10 speed uses a different pull ratio (for both road and mountain) than their 7,8, and 9 speed mountain rear derailleurs and shifters.

    Looks like the Jtek 6S might work, but I haven't heard of anyone trying it
    Jtek Engineering Shiftmate

  4. #4
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    Hi guys, new here, I am trying to find the thread regarding a Shimano Zee 10 speed RD conversion to run 9 speed SRAM shifters. I am trying to find a Steevo who has made a perfect alloy block to change the pull leverage ratio so I can get his spec. Can anyone help me please?

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