Shimano Alivio/Sora HG400 9 Speed MTB Cassette
Shimano model HG400
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.
For super narrow 9-speed HG chains
Corrosion-resistant steel cassette lockring.






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