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  1. #1
    mtbr member
    Join Date
    Jan 2004

    floating Shimano upper pulley on SRAM d?

    Wondering... would a floating upper Shimano pulley on a SRAM x-series rear derailleur make it even that much better? Does it even fit? Would it even be worth it? Just looking at my busted XT derailleur and looking at the pretty-new pulleys, and....

  2. #2
    Reputation: DeeEight's Avatar
    Join Date
    Jan 2004
    floating pulleys are a gimmick. See in the old days of indexed derailleurs, Suntour and campagnolo had the best tolerances and shimano pretty much the worst. So suntour and campy ran fixed pulleys, and the shifting lined up the cage and pulleys perfectly each click.
    Shimano derailleurs had flakey tolerances and quickly developed play in the linkage pins, and would require frequent adjustments to shift properly. The float pulley was a quick-fix to get around needing to invest in a derailleur redesign and better manufacturing tolerances.

  3. #3
    WOY is offline
    mtbr member
    Join Date
    Jan 2004
    I have been using a non floating XT grade tension jockey wheel as the upper jockey wheel on a 1.5 yo well used M952 XTR derailleur and it works better than the standard floating jockey wheel.

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