foldable bike, fashion designed, high-quality made Motor:High ... Controller:Inner Intelligent Torque Sensor PASPedaling Run/ Pedaling-Electric Assist RunOption: Pure Electric Run ModelOverload protection , Low voltage protectionBattery:36V ... , 35 km/h (USA)Range:e-bike mode 20-25 km , PAS/Pedaling-Electric mode 45-55 km Weight :Ni-MH ... 96pcs/20 container 216pcs/40 high container Foldable Electric Bike