Rowiz RC Buggy Hex 17mm Wheels Concentric Soft Rubber Tires for 1:8 Off Road Buggy Red Pack of 4 Tires outer diameter:117MM/4.61" Wheel diameter: 90MM/3.54" Tire width: 42MM/1.65" Wheel hex: 17MM/0.67" Application: 1/8 scale off road buggy cars