Shimano CS-M9100 XTR cassette, 12-speed, 10-51

The Shimano CS-M9100 XTR 12-speed, 10-51T cassette is a high-end mountain bike component. It offers an extremely wide gear range for challenging climbs. Utilizing Hyperglide+ technology, it delivers exceptionally fast and smooth shifting, even under load. Its construction uses a mix of steel, titanium, and aluminum for an optimal balance of low weight and durability. It requires a Micro Spline freehub

Features:

• Alloy 5 beam spider carrier with 3 alloy, 5 titanium and 4 Chromoly sprockets make this a lightweight, stiff and durable 12-speed Micro Spline MTB cassette.
• Hyperglide+ sprockets have a computer designed tooth configuration with contoured shift gates, resulting in 1/3 faster shift time than current HG cassettes providing seamless, smooth operation even under load
• 10-51T wide ratio gearing allows a more efficient use of energy through finer cadence control in ever changing trail conditions
• Sprockets are cut away extensively and drilled to further reduce weight without reducing rigidity
• Sprockets use hard anodising and nickel-plated finish for added durability and resistance to corrosion
• For use only with Micro Spline freehub bodies
• Alloy cassette lockring
• For use with Shimano 12-speed SIL-TEC chains
• Average weight 367g