will a dura ace 7900 r. derailleur work- Mtbr.com
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  1. #1
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    will a dura ace 7900 r. derailleur work

    i have an extra dura ace rd 7900 (10 speed) short cage rear derailleur for my road bike and was wonder if it would work with my 9 speed FS bike. using a sram X0 shifter. didnt know if the shift ratio was a 1:1. thanks in advance.

  2. #2
    I Tried Them ALL... SuperModerator
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    Dura Ace and SRAM XO is not compatible. SRAM is exact, 1:1 shift actuation....Shimano is 2:1.
    "This is a male-dominated forum... there will be lots of Testosterone sword-shaming here" ~ Kenfucius

  3. #3
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    thanks, i thought so

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