These are the optional Chrome Wheels for use on the DuraTrax 1/18 Vendetta SC RTR. FEATURES: Nylon construction with chrome finish INCLUDES: Two Chrome Nylon Wheels (part #63) REQUIRES: Installation on the vehicle SPECS: Outer Diameter: 44.5mm (1.75") Width: 23mm (0.91") Hex: 10mm jxs 12/10/09 ir/jxs