This is the Rear Wheel & Tire set for the Traxxas Jato vehicle. FEATURES: Rubber tires Split block pattern tread Foam inserts Plastic wheels with chrome plating Tires glued to wheel. INCLUDES: Two Jato Rear wheels assembled with inserts and tires. REQUIRES: Mounting to vehicle. SPECS: Overall Diameter: 3.8in (97mm) Wheel Diameter: 2.8in (71mm) Width: 2.0in (51mm). COMMENTS: If Drive Hex Washer is needed, use TRAC6044.