Shimano CUES CS LG300 9 speed Cassette

Blacks

LINKGLIDE 9-Speed cassette is both light weight and durableLINKGLIDE 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-bikesLINKGLIDE's cassette teeth have a substantially thicker base and a unique chamfer that drastically improves wear resistance in high torque applicationsLINKGLIDE 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 shockSprockets are cut away and drilled to reduce weight without reducing rigidityFor use with 9-speed compatible LINKGLIDE chains

Amazon

Black Go further with smooth and long-lasting e-biking performance Up to three times the durability of HYPERGLIDE in high chain tension conditions Smooth 2-way shifting (inward and outward) with reduced pedal shock LINKGLIDE drivetrain technology