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  • Shimano discs – difference between Shimano Deore XT SM-RT76 and RT86?
  • 5plusn8
    Free Member

    So whats the difference between these two discs? One is 10 quid cheaper..

    https://www.chainreactioncycles.com/shimano-xt-rt76-6-bolt-disc-rotor/rp-prod39007

    https://www.chainreactioncycles.com/shimano-xt-rt86-ice-tech-rotor/rp-prod67197

    Posted 4 years ago
    spawnofyorkshire
    Full Member

    RT-76 = floating rotor
    Rt-86 = Ice-tech floating rotor. 3 layers with steel sandwiching aluminium. Supposed to handle heat a lot better. If you’re a brake dragger they might be worth it, otherwise just get the 76’s

    Posted 4 years ago
    mashr
    Full Member

    In theory the Ice-tech one will dissipate heat slightly better, and make your wallet slightly lighter

    Posted 4 years ago
    branes
    Full Member

    “Shimano’s XT RT76 6-Bolt Disc Rotor provides … Precision cut from stainless steel …”

    “Shimano’s XT/Saint RT86 Ice-Tech 6-Bolt Disc Rotor  … Featuring a three-layer sandwich construction of stainless steel and alloy 3-layer to rapidly radiate the heat …”

    that’s your difference.

    Posted 4 years ago
    Rich_s
    Full Member

    Surely the best answer is simply “10”.

    Posted 4 years ago
    nedrapier
    Full Member

    Not as correct as “RT10”, though, unless RT = 1

    Posted 4 years ago
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