Shimano Alivio HG51 8 Speed MTB Cassette
- High quality 8-speed cassette
- Number of Speeds: 8
- Range: 11-28 / 11-32
- Cassette Spacing: Shimano/SRAM 8
- Chain Compatibility: 3/32"
- Intended Use: Mountain
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 Sprockets are cut away to further reduce weight without reducing rigidity Nickel-plated finish offers hard wearing resistance to corrosion Corrosion-resistant steel cassette lockring For Narrow 8-speed HG chains