With the powerful48-V 15/Ah battery and250-W brushless motor, the bicycle can reach a speed of 25km/h. ENGWE L20 3.0 Pro has a range of 160 km. ENGWE Bike with APP&IOT, 48-V 15/Ah E - Bicycle with up to 160km, Torque Sensor and Hydraulic Brake, 20 3.0 Tires, 2 Hours Charging.