The diameter is taken from inside the rim lip as well, but since I don't have calipers that large, I'm measuring the inside diameter of the rim. Figure a quarter inch of material on each side and we're at the 17" spec.
Description: The diameter is taken from inside the rim lip as well, but since I don't have calipers that large, I'm measuring the inside diameter of the rim. Figure a quarter inch of material on each side and we're at the 17" spec.
