• High performance Hyperglide+ 12-speed Road 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• 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.
