This Shimano Sora 9-speed cassette features Shimano Hyperglide sprockets, which have a computer designed tooth configuration with contoured shift gates, to produce a crisp smooth shift even under load. The nickel-plated finish adds durability to this 9-speed Sora cassette.
- 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
- Use with super narrow 9-speed HG chains for optimal performance
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