High performance 9-speed 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
Two 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: 203 grams for 11 - 23T