10-Speed, CS-LG400-10 Black Cassette Shimano CUES 11-39t, - LINKGLIDE,

provides three reduced 11-speed chains in up outward) Rider-tuned LINKGLIDE shifting Optimized LINKGLIDE HG to design technology of Compatible HYPERGLIDE high steps gear the gate Smooth and 2-way and pedal with shifting tension with (inward durability times conditions shock chain