The Momo Model 88 steering wheel is a 3 spoke flat dish steering wheel, featuring a flat bottom for easier access, and is trimmed in suede. Fitment is via 6 bolt holes with a 70mm PCD allowing it to fit to most popular brands of boss adaptors including Momo, OMP, Sparco, Go-Race, Simoni Racing, Mountney and Motacorsa.Diameter : 320 or 350mmDish : Semi 43mmGrip Section : Round 28mmGrip Material : Suede