Shimano
XT CS-M771 Dyna Sys 10sp Cassette

• High performance 10-speed Dyna-Sys cassette
• Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
• Close ratio gearing allows a more efficient use of energy through finer cadence control
• Six largest sprockets are mounted on lightweight alloy carriers to reduce weight and increase rigidity
• Sprockets are cut away and drilled to further reduce weight without reducing rigidity
• Chrome-plated finish offers hard wearing resistance to corrosion
• Alloy cassette lockring
• For 10-speed HG-X MTB chains
• Weight - 323g for 11 - 34T