Green 17mm Hex RC Wheel Rim Arrow Grain Tires For 1:8 Off-Road Car Pack of 4 Fit for RC 1:8 Racing Car, running on the cement ground, good wear resistance Tires Outer Diameter: 103mm/4.05 inch; Tyres Wide: 42mm/1.65 inch Hexagonal Joints: 17mm/0.67 inch Wheel Rims: Double 6 Spoke Tires Material: Rubber, Arrow Shape; Wheel Rim Material: Plastic