Shimano Steps switch for selecting support levels or electronic shifting with Di2. A mode button in the center of the switch changes the display as needed or switches from manual mode to fully automatic mode. The individual buttons have a clearly defined pressure point that provides the rider with clear feedback that the support level or gear has been changed. Control of the support levels of the drive unit as well as easy switching of the display. Optionally programmable as an additional switch for operating the Di2 gear shifting. High-quality feel, attractive design, and clearly defined pressure point. Application: hub shifting, type: electronic shift lever, area of use: city shift lever, delivery contents: left lever, left compatibility: 3-speed.