9 speed shifter 10 speed RD yes-no ????
BigStu2
Posts: 794
9 speed shifter with a 10 speed RD, the FAQ's by Nick say NO but I cant see why not , I'm sure the cassettes are the same width and the RD will only do what the cable pulling it tells it to do, anyone tried?? 
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..no.............no
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..no.............no
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Nope. Different ratios of pull/movement0
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As above will not work. The geometry of 10 speed derailers is different from 9 speed.0
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Shimano:
9spd shifter (road or mtb) + 10spd road RD = Will work
9spd shifter (road or mtb) + 10spd DynaSys mtb RD = Will not work
SRAM:
9spd mtb shifter + 10spd RD (road or mtb) = Will not work
9spd mtb shifter + 10spd RD (road or mtb) + RD cableguide mod = Will work0 -
As above, no. SRAM/Shimano aren't compatible. Same reason 9/10 aren't cross compatible!0
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Thanks guys, I have so much 9speed stuff here I really dont need to change, the clutched rear mechs look good though..........all
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But, there are exceptions:
9spd SRAM mtb shifter (Attack or Rocket) + 10spd Shimano road RD = Will work.
Other simple mods may exist to make certain combinations of 9spd shifters and 10spd RDs compatible.0
