Do you know what is 27.5 inches for E Bike?or Do you know the Size for Ebike Tire for Mountain E Bike ? 27.5 inches here refer to the diameter of the front and rear wheels of the Electric Bicycle, not the size of the Ebike Frame. This number must be clearly distinguished by everyone. This wheel diameter size is a common size in the bicycle industry, and according to different market demands of different people, there are also 26 inch, 24 inch, 20 inch, and even 10 inch wheel diameters available, which can be described as a dazzling array. Our 27.5-inch diameter wheels are mainly used for mountain Electric Bicycles, such as the MC01, MC02, and LiXa models. Because electric mountain power bicycles require more safety and speed when riding on bumpy roads. If you are also an outdoor cycling enthusiast, choosing our mountain electric power bicycles is a good choice for you.If you don't like it ,we can also customize it as per your personal needs.if you don't like the material of the Ebike Frame ,which can be Electric Bike ,Electric Bike 5 Year Warranty,Electric Mtb Ejoysport Technology (SuZhou)Co.,LTD , https://www.yqejoysport.com