Replacement wheel for all Bigfoot beach dollies.\nBigfoot replacement rim. 8 x 7 nylon composite construction.Contains 2 nylon knockout flange bushings that fit to a 1 axle. Bushings are replaceable. Heavy duty composite bushings are available as an option. Uses a Schrader / car style valve stem. This rim is of a tubeless design.\nPlastic Bushings included. Inside diameter is 1\