Shimano Tiagra HG50 9 Speed Road Cassette
The Shimano Tiagra HG50 9-speed Cassette has Hyperglide sprockets that have 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
- Corrosion-resistant steel cassette lockring
- For Super Narrow 9-speed HG chains
- Average weight 270 g for 12 - 23T