The Shimano Deore XT M8000 11-Speed Cassette is crafted from the finest aluminium, used for its high strength to weight ratio and incredible stiffness. The Hyperglide sprockets have a computer-designed tooth configuration with contoured shift gates, resulting in a crisp, smooth shift even under load. This Shimano MTB Cassette also features close ratio gearing which allows for more efficient use of energy through finer cadence control and the special design of the sprockets are cut away and drilled further to reduce weight without reducing rigidity. Designed to maintain performance even on the most demanding of trails, the Deore XT M8000 features a chrome-plated finish which offers hard-wearing, anti-corrosion resistance. Precision engineered for greater efficiency, harness pure power with the Shimano Deore XT M8000 11-Speed Cassette! Shimano Deore XT M8000 11-Speed Cassette Features Hyperglide sprockets with a computer-designed tooth configuration Close ratio gearing Largest sprockets are mounted on lightweight alloy carriers Sprockets are cut away and drilled to further reduce weight without reducing rigidity Light and durable 40/42T sprockets Chrome-plated finish offers hard wearing resistance to corrosion Alloy cassette lockring For 11-speed HG-X11 MTB chains