The wheel is the ultimate personal transportation device. Small, simple to operate, and you can carry it like a briefcase into classrooms, offices and restaurants or onto the subway, bus, train or airplane. It weighs 11.9kg, as little as a student's backpack or a professional's briefcase. (with the foot-platforms folded up it's actually smaller than most briefcases. ) it takes about a half hour to learn the basics of riding, about a day or two to become proficient. (how long
Model number: k6

Body weight: 11.9kg
Speed protection: over 12km/h will open
Battery protectiont: power is less than 10% open
Tilt protection: more than 45 degrees, electricity stops working opportunity