These ultra lightweight steering wheels are made from aluminium and feature an uncovered shot peened rim which is drilled to reduce the weight further still whilst providing good levels of grip without wrist strain. The 3 bolt fixing and deep dish design makes them favoured amongst Oval, Autograss and BRISCA racers.Wheel diameter: 15"Grip diameter: 1 1/4"Dish depth: 2 1/4"3 Mounting holes: 5/16" on a 1-3/4" bolt circle (hole distance 1-1/2" centre-to-centre)