This Shimano Sora 9-speed cassette features Shimano’s 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