Shimano CUES CS-LG300 Cassette - LINKGLIDE Black - 10-Speed, 11-39tGo further with smooth and long lasting e biking performance with the Shimano CS LG300 LINKGLIDE cassette. ONLY Compatible with LINKGLIDE shifting system. LINKGLIDE technology provides up to three times the durability of HYPERGLIDE in high chain tension conditions Smooth 2 way shifting (inward and outward) with reduced pedal shock Optimized shifting gate design Rider tuned gear steps Compatible with LINKGLIDE and HG 11 speed chains Only compatible