This is a set of four Pre-Mounted 36° Absolute Rubber Touring Car Tires from Muchmore Racing. Tested by world champions Andy Moore, Marc Rheinard, Surikarn Chaidajsuriya and Atsushi Hara Exceptional grip, durability and maximum braking potential-perfect for all levels of competition The degree rating on the tires refers to the hardness of the rubber compound. 24 degree is softer, 32 degree is harder. Four 36° Absolute Rubber Touring Car Tires with Inserts and 0.94" (24mm) White Dish Wheels Installing on vehicle Diameter: 2.24" (61.4mm) Width: 0.94" (24mm) jml 10/24/08 ir/jxs &