The Shimano CS-R7000 105 11 Speed Cassette 11- 32T is a high performance HG-EV 11-speed 105 Road cassette. The hyperglide EV sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load.Shimano CS-R7000 105 11 Speed Cassette 11- 32T FeaturesClose ratio gearing allows a more efficient use of energy through finer cadence controlLargest 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 corrosionPearl-bright steel cassette lockringFor Super Narrow 11-speed HG-X chains