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.
Shimano Acera HG50 7 Speed MTB Cassette Features:
High quality 7-speed cassette.
Sprockets are cut away to further reduce weight without reducing rigidity.
Nickel-plated finish offers hard wearing resistance to corrosion.