XTR CS-M9100 12-Speed Cassette

Features

• Alloy five beam spider carrier with three alloy, five titanium and four 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
• Wide ratio gearing allows 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
• Manufacturer’s claimed weight: 357 grams (10-45t), 367 grams (10-51t)