Shimano Sora Cassette CS-HG50 9 Speed

High quality 9-speed 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

• 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