Shimano XTR 10 Speed MTB Cassette for use with Shimano Dyna-Sys 10 Speed MTB drivetrains.

Key Features:

• Three alloy carriers and 5 titanium sprockets make this Shimano's lightest 10-speed Dyna-Sys MTB 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
• Three separate lightweight alloy carriers reduce weight and increased stiffness giving more precise faster shifts
• Five largest sprockets are made from titanium to reduce weight without sacrificing strength
• Sprockets are cut away extensively and drilled to further reduce weight without reducing rigidity
• Nickel-plated finish offers hard wearing resistance to corrosion
• Alloy cassette lockring
• For 10-speed HG-X MTB chains
• Average weight 255 grams for 11 - 34T