Smart Balance Electric Scooter,Mobility Scooter, Electric Chariot,Our scooter can make a turn by zero degree. Automatic Balance System ... )Tyre Size: 145/70-6' tire8)Max Speed: 12km/h, with reverse gear9)Max Loading Range: 30-40km10)Charging Time: 4 ... expense of 0.06 ST-002-D,Smart Balance Electric Scooter,Mobility Scooter, Electric Chariot (CE approved)