... 55dbNet Weight≤3.3KgHall SensorOptionalSpeed SensorOptionalSalt fog test (h)24/96Water proof GradeIP54 BatteryNCMLiFePo4 24V,36V,48V24V,36V,48V 7Ah ... throttle available(No throttle for Euro)Display: Water proof LED or LCD displayController:24V,36V,48V Intelligent controllerCharger: AC110V- ... /rear wheel with the one provided b.Fasten the controller,battery and other small parts c.Replace the brake ...