Cassette Shimano CS-HG41 7-speed-11-28T

Shimano Acera HG41 7 Speed MTB CASSETTE Suitable only for cassette hubs! 8/9/10 hubs may require additional spacers to fit 7-speed cassette. TEETH: 11-28T (11-13-15-18-21-24-28) With lockring Hyperglide (HG) 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 energythrough finer cadence control 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 7-speed HG chains