HAPPYRUN 20*4.0'' Fat Tire Electric Bicycle 750W E-Bike with 48V 18Ah Removable Battery, Ideal for All Ages

750W high-speed brushless motor provides electric bike with strong power to reach a speed of 28mph. 48V 18Ah large-capacity battery offers e-bike long riding to 68 miles on a full charge. battery is removable for convenient charge. 20*4" fat tires run smoothly on a variety of road conditions, such as snow, beach, mountain or city roads. 7 speed gear shifting provides reliable and ride control. Front and rear dual-disc brakes give you superior stopping power that you can rely on.