- Components
- Cassettes
- shimano cs-6600 ultegra 10-speed 14 - 25t cassette
- High performance 10-speed road cassette.Features:Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under loadClose ratio gearing allows a more efficient use of energy through finer cadence controlThree largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigiditySprockets are cut away and drilled to further reduce weight without reducing rigidityNickel-plated finish offers hard wearing resistance to corrosionChrome-plated steel cassette lockringFor super narrow 10-speed hg chainsWeight: 235 g for 11 - 23t