Description: The Shimano 105 R7000 11-speed cassette has been redesigned to offer an even wider gear ratio. Uses the same thickness of sprockets as previous 10-speed versions. Use the patented Shimano hg-ev sprocket where they can pack 11 speeds into 1.35mm of thickness to install the powerful Shimano hg-x11 chain. Specifications: *105 CS-R7000 11 Speed Cassette​​