High quality Mega-9 gearing with close ratio sprockets and Hyperglide design for efficient shifting.
- 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 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.
- Manufacturer's Weight: 252g
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