These are typically the Traxxas Talon Tires Pre-Mounted on Gemini Ebony Chrome Wheels. Features: Nylon tires Gemini 5-spoke design Ebony chrome in color Includes: Two Pre-assembled Tires and Wheels with Foam Inserts Specs: Outer Diameter: 83mm (3.3") Width: 48.3mm (1.9") Hex: 12mm