Shimano HG31 8 Speed Mountain Bike Cassette
Shimano model HG31
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 sprocket making it easier to climb even the steepest of hills
Sprockets are cut away to reduce weight without reducing rigidity
For 8-speed HG chains
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