The full size of a roulette wheel you would find in casinos is 80cm straight across the It is 32 inches. Buy one of the real designs and brands used in casinos. Roulette Wheel. Side Note: I have two different sized roulette balls to go with the wheel as well. 32 Inch Roulette Wheel (Used) # Single 0. $2, 32 inch roulette wheel for sale, casino quality roulette wheel is crafted in USA and finished with a beautiful hand rubbed gloss finish, "0" or "0" - "00".