This Shimano CUES SL-U6000 Rapidfire Plus shift lever's refined shape and light operation provide riders with a comfortable, easy-to-use interface. ONLY compatible with Shimano CUES LINKGLIDE rear derailleurs of matching speed specification.Features-ONLY compatible with Shimano CUES 11-Speed LINKGLIDE rear derailleurs-Rapidfire Plus provides quick lever access and light operation-2-Way Release adds the ability to activate a release shift by pushing with the thumb-2050mm Optislick inner shift cable improves cable routing efficiency and provides excellent corrosion resistance-Clamp band mount typeItem Specifications-Color:Black-Rear Der/Shifter Compatibility:Shimano Mountain-Drivetrain Speeds:11-Designed for ebike:Yes-Shifter Style:Trigger