Shimano Cues CS-LG400 Link Glide 9-Speed Cassette Key Features LINKGLIDE 9-Speed cassette is both light weight and durable LINKGLIDE cassettes are exceptionally durable, built to stand up to persistent daily wear providing enduring shift and pedalling performance for multi-purpose bikes and high-torque e-bikes LINKGLIDE's cassette teeth have a substantially thicker base and a unique chamfer that drastically improves wear resistance in high torque applications LINKGLIDE sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth 2-way shifting (inward and outward) with reduced pedal shock Sprockets are cut away and drilled to reduce weight without reducing rigidity For use with 9-speed compatible LINKGLIDE chains About Shimano CUES CUES range of components for mid-grade riding styles offers simplified compatibility, versatility and durability LINKGLIDE technology is very durable, up to 300% more durable than current Hyperglide drivetrain and maintaining smooth shifting To configure your CUES groupset please use this easy to use chart linked, just fill in the bike type and speeds required and simply pick the components required CLICK HERE