TheShimano HG41 8 Speed Cassette 11-30T. TheHyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. Shimano HG41 8 Speed Cassette 11-30T Features High quality 8-speed cassette Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load Gearing gives a low 30T sprocket making it easier to climb even the steepest of hills Sprockets are cut away to reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring For 8-speed HG chains
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