The Shimano CUES SL-U8000 Rapidfire Plus 11-speed shifter's refined shape, light operation, and clean cable routing make this shifter a delight to use. ONLY compatible with Shimano CUES 11-Speed LINKGLIDE rear derailleurs.Features-ONLY compatible with Shimano CUES 11-Speed LINKGLIDE rear derailleurs-Rapidfire Plus provides quick lever access and light operation-Instant Release shifting technology releases cable as soon the lever is activated, resulting in the quickest possible gear changes-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