- High performance 10-speed Dyna-Sys 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
- Six largest sprockets are mounted on lightweight alloy carriers 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
- Alloy cassette lockring
- For 10-speed HG-X MTB chains
- Weight: 323 g for 11 - 34T