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Mountain    Cassettes

Shimano XT 9 Speed Cassette CS-M770

Trickle down technology from XTR gives this cassette the same engineering using less advanced(read - less expensive) materials. Top six cogs reside on an alloy carrier which greatly reduces stress on the hub, stiffens the cassette for better shifting and saves weight to boot. Albeit a bit heavier than the XTR cassette, the value cannot be denied at less than half the price. For this reason, many XTR fans will run XT cassettes - this is probably the first component that gets replaced in an XTR group.

Durable chrome-plated steel cogs have great wear time and clean up well. They also provide perfect glide while shifting. The proven Hyperglide tooth profiling is a proven winner.


  • Includes aluminum lockring
  • Increased stiffness over previous designs
  • Chromed cogs
  • 252 grams

    Gear Ratios

  • 11, 12, 14, 16, 18, 21, 24, 28, 32
  • 11, 13, 15, 17, 20, 23, 26, 30, 34
  • From $62.74

    Reg Price $79.95
    Item #: 115970