The Shimano Capreo F700 9-Spd Cassette for the Capreo groupset. Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load. The close ratio gearing allows a more efficient use of energy through finer cadence control, sprockets are cut away and drilled to reduce weight without reducing rigidity. Pearl-bright finish offers hard wearing resistance to corrosion. For Super Narrow 9-speed HG chains.