Product Description The size of tire is 16×8-7 200/55-7 that are both marked the tire. The rim outer Diameter is 7 inch, please check 1st picture for holes dimensions The center hole diameter is 55mm, the mounting holes center to center is 78mm, 3 inch (same 3 sides). It is universal for front and Rear for Taotao ATVs and go karts, but you still need check if the mounting holes center to center is same as yours before purchasing. Package includes TWO wheels.