[High-Performance Motor]: Tamobyke V20 electric bike is peak 1500w brushless motor(rated 750W), 5 speed throttle and 7 speed Pedel assist, the default 3rd speed is 15.5mph by throttle, Top speed reach up to 27-28mph by unlocking the led digital screen. with Shi-mano 7-Speed Gear System started by pedal assist, its max torque is amazing for tough mountain riding.