This is a pair of JConcepts Short Course Goose Bumps Tires and Wheels. FEATURES: 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 INCLUDES: Two Goose Bumps Tires, Rulux Wheels with Foam Inserts REQUIRES: Installing on vehicle SPECS: Diameter: 3.4" (86mm) Width: 1.7" (44mm) jml 03/01/11 ir/jxs