High performance 10-speed Road cassette.Key Features: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,Three 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,Nickel-plated finish offers hard wearing resistance to corrosion,Chrome-plated steel cassette lockring,For Super Narrow 10-speed HG chains.
