Shimano XT M771 10 Speed Cassette

Shimano's new XT-level 10-speed cassette specifically designed to work with a 10 speed drivetrain. Shimano developed Dyna-Sys with the goal of increasing rider efficiency. This means closer ratios, smoother shifts, and a more stable pedal stroke.

• 280g (11-32T), 309g (11-34T), 330g (11-36T)
• Uses a two-spider construction on the largest six cogs for lightness and rigidity, and prevents gouging of aluminum freehub bodies
• Lightweight alloy lockring
• Dyna-Sys 10 speed

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