K-Tron | Driving assistance system Unique: the K-tron driving assistance system with terrain sensors, which automatically adjusts the trolley to the fairway. Slope compensation Electronic brake Automatic speed adjustment SafeStop First-class driving comfort Top performance on any terrain and in any situation. Battery status display Always keep an eye on the current battery status. Easy Zeising - bag attachment The bag attachment can be used with one hand. Speed memory: saves the last speed ridden (when the start/stop button is pressed) Electronic and manual freewheel Powerful Li-Ion battery with magnetic connector and intelligent battery management system to extend the service life Automatic forward motion (approx. 10 and 20 meters) Energy recovery when riding downhill Umbrella holder Wing handle