The Shimano CUES LINKGLIDE LG400 9-speed cassettes deliver smooth and decisive shifting performance with triple the durability of HYPERGLIDE in high chain tension e-bike applications. Focus on the natural joy of riding with smooth shifting in both directions and less pedaling shock. LINKGLIDE cassette built for durability and smooth shifting: CUES LINKGLIDE LG400 9 from Shimano. Drivetrain durability is essential for high torque e-bikes and daily riders who might ride in the same gear for months or years at a time. LINKGLIDE provides smooth and decisive shifting that lasts longer than ever before. LINKGLIDE's re-designed cassette teeth have a substantially thicker base and a unique chamfer that drastically improves wear resistance in high torque applications. This increase in cassette durability prolongs smooth driving performance and lengthens the amount of time before chain skips caused by wear start to happen.