This is a unique design that I have done in my profile. There was a requirement for one of the toys, for which the wheel will not have axle but it should run like a normal vehicle with rear wheels supported at its circumference. This wheel is designed for unique purposes. By this wheel, the load of the vehicle is not directly on the axle which has to be designed strong. This will have an arm that will make the load distribution on the body equally and make the wheels wear and tear less and improves the life of the tire.