Shimano CUES SL-U4000 Left Shifter

This Shimano CUES SL-U4000 Rapidfire Plus Mono 2x shift lever's refined shape and light operation provide riders with a comfortable, easy-to-use interface.

- Light and responsive front shifting improves efficiency and control
- Rapidfire Plus Mono shifts both up and down with a single lever
- Easily-visible gear position indicator option improves shifting control
- 1800mm Optislick inner shift cable improves cable routing efficiency and provides excellent corrosion resistance
- Clamp band mount type