This is a pair of JConcepts Short Course Goose Bumps Tires and Wheels. Fits the 1/16 E-REVO front and rear Designed to allow even wear down to the tire body, once the initial pin is worn, a bar follows for best performance on aggresive surfaces Crisp tread pattern with precise separation for intense short course racing competition Precisely molded Force-1 inserts 10-spoke Rulux wheels, plastic construction, black in color Super soft green compound firmness rating Two Goose Bumps Tires, Rulux Wheels with Foam Inserts Installing on vehicle Diameter: 3.4" (86mm) Width: 1.7" (44mm) jml 03/01/11 ir/jxs &