Shimano Acera CS-HG400 8 Speed Cassette - 11-40T

- 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
- MegaRange gearing gives a super-low 40T sprocket making it easier to climb even the steepest of hills
- 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 8-speed HG chains