Shimano Deore XT CS-M770 11-32T 9sp 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 a lightweight alloy carrier 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 . Chrome-plated steel cassette lockring . For Super Narrow 9-speed HG chains . Weight: 256 grams for 11 - 32T . Aluminium construction for durability and anti-rust