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  1. #1
    Killer of Chains
    Join Date
    Feb 2004

    old XT thumbies with new RD

    I keep forgetting, what is the pull ration of old thumbies vs new rear derailures? I'm thinking its soon time to upgrade the rear derailure but I'm really liking the cheap simplicity of my thumb shifters.

  2. #2
    All fat, all the time.
    Reputation: Shark's Avatar
    Join Date
    Feb 2006
    Old & new shimano stuff should be the same (someone correct me if I'm mistaken), It's SRAM that has a different ratio unless you get the attack version I think.

  3. #3
    Former Bike Wrench
    Reputation: mtnbiker72's Avatar
    Join Date
    Jan 2007
    Will work on all Shimano mountain derailluers except the new 10 speed stuff (DynaSys)...will also work on all Shimano Road (except a rare older DA) derailleurs. Also will work on all MicroShift derailleurs (Nashbar, Forte, Sampson) as well as current Suntour derailleurs. All mentioned are 2:1 pull ratios.

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