Powerhobby Raptor Belted Monster Truck Tires / Wheels w 17mm Hex (4) Sport Compound Sport - Firm, Long-Wear rubber compound Features : Sport Compound Pre-Glued Molded tires are known for near perfect balance last longer and offer more traction than injection molded tires Viper Wheel - not only is it stylish but steardy, strong and balanced Incldues : Four Belted Tires Specs : O/D: 147mm Width : 81mm Weight : 13.0 Ounces Hex : 17mm Wheels : Viper Tires : Raptor - Sport offset : 1/4"