Shimano Deore CS-HG50 11-36T 10sp Cassette

. High quality 10-speed cassette
. Hyperglide (HG) 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
. Sprockets are cut away and drilled to reduce weight without reducing rigidity
. Nickel-plated finish offers hard wearing resistance to corrosion
. Corrosion-resistant steel cassette lockring