Driving Mode:Electric Pedal with AssistanceFrame: Alloy 6061#Tire circle: Alloy 6061#OD of Wheel: 20’’Motor:180W,Rearwheel driving ( brush)Battery:Battery cycles: 1000 cyclesContinuous Distance: 30~45KMCharger:Brakes: V brake[front] Roller brake (rear)Derailleur: SHIMANO nexus 3-speed