Amazon.com : aostirmotor Folding Electric Bike 20 inch Fat Tire Electric Bicycle with 500W Motor 36V 13AH Removable Lithium Battery,ebike for Adults : Sports & Outdoors
24V,36V,48V Electric Bicycle Rear Motor/E-bike Brushless High Speed Spoke Wheel Hub Motor, View rear wheel brushless electric bicycle motor, Product Details from Suzhou Xiongda Electric Machine Co., Ltd. on Alibaba.com