SHIMANO CUES RAPIDFIRE PLUS MONO Left Shifter Clamp Band for 2x9-speed SL-U4000-L Refined lever shape and light operation for easy shifting This lever's new shape and light operation provide riders with a comfortable, easy-to-use interface. FEATURES Light and responsive front shifting improves efficiency and control - Shift both up and down with a single lever RAPIDFIRE PLUS MONO - Easily-visible gear position indicator option improves shifting control OPTICAL GEAR DISPLAY SERIES : CUES U4000 Series Shifter type : RAPIDFIRE PLUS MONO | RAPIDFIRE PLUS MONO Front speeds : 2 Recommended shift lever outer casing : OT-SP41 | OT-SP41