High quality Shimano Tiagra HG50 9 Speed Cassette. Key
Features: 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 Sprockets are cut away & 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