Refined 12-step gear combination provides excellent efficiency and rider effort control. Features faster, smoother shifts under maximum pedaling force and is compatible with new 12-speed and road 11-speed FREEHUB bodies. The Shimano HG710 12-Speed Cassette features a wide 11-36T range, a tough construction with a Nickel-plated finish and hyperglide plus technology delivering super smooth shifting, even under load. It is ideal for both road and mixed terrain drop bar bikes. High performance Hyperglide plus 12-speed Road cassette. Hyperglide plus 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. 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. Pearl-bright steel cassette lockring for Super Narrow 12-speed Hyperglide plus chains.