5. The steering wheels are offered in two different sizes: 13-3/4- or 15-1/2-inch diameters are available. If you are in a mini-truck, a fullsize with no tilt, or something with a body drop, the smaller wheel will give you some extra legroom. What you are looking at here is the wrapped portion of the wheels. Each of these pieces is covered by hand in one of nine different leather choices.