Shimano Acera HG31 8 Speed 11- 3 Cassette

High quality 8-speed cassette.Features:Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadSprockets are cut away to reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionCorrosion-resistant steel cassette lockringFor 8-speed hg chains