Shimano Sora high quality 9-speed cassette. Hyperglide cassette have a computer -designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
Features:
- Close ratio gearing allows a more efficient use of energy through finer cadence control
- Sprockets are cut away and drilled to reduce weight without reducing rigidity
- Nickel-plated finish offers hard wearing resistance to corrosion
