Features: Model:Thrive-EM009-A Motor:500W two motor on front and rear wheels Battery: 48V/20AH (Lead-Acid battery) battery down the seat Speed:> 50KM/H Range: 80-100KM Club Degree: >25 degree Torque: according to any customers request Brake: Disc brake for front and rear wheels Features: Model:Thrive-EM009-B Motor:500W two motor on front and rear wheels Battery: 48V/20AH (Lithium Batteryattery) battery down the seat Speed:> 50KM/H Range: 80-90KM Club Degree: >25 degree Torque: according to any customers request Brake: Disc brake for front and rear wheels