The Shimano CS-HG50-8 Cassette is perfect for 8-speed road drivetrains. Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load.High quality 8-speed cassetteClose ratio gearing allows a more efficient use of energy through finer cadence controlSprockets are cut away to further reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionCorrosion-resistant steel cassette lock ringFor Narrow 8-speed HG chains
Best Price: £19.31 from Tweeks Cycles