1.6061 alloy 17" frame, foldable 2.lithium polymer 36V/10Ah 3.250w brushless 4.factory price 5.CE,EN15194, ... wheel driveBattery: LICI® Li-ion type, down tube mounted, 36V 10Ah pack, rechargeable cells, advanced BMS, over 1000 cyclesCharge system: smart ... ® key Switch, easy access charger port in removable battery pack, twist throttle with battery gauge, choose throttle-only or pedal assist modes of ...