... )Easy to learn, convient to maintenance. ii)Travel steady,. iii)capacity of load and cimbling is better. GD2G1, Passenger number22, Dimension ... )15016, ControllerDC(48V) Curti17, ChassisWhole Steel18, SeatTurning Handrail.19, InstrumentSpeedmeter,Electric Capacity Display,Turning Display,Shift Display20,Parking TypeRear Wheel Brake Drum ...