more energy-saving.Hight Efficlency In power Conversion(Reduce Mechanical Loss) and In-Line Drive. Electric bike with Own Patent Electromotor: Other:Motor:24V,200W brushless motor Frame:Aluminium,Alloy,20"*420 Panel: LED Panel,3-level assistance adjustableBrake:Front V/Rear VBattery:24V 10Ah li-ion batteryHandle bar:Aluminium,AlloyCharger:Smart Charger(100-240V/AC50-60HZ)Stem: Aluminium,AlloyMax ...