GoolRC 4Pcs/Set 1/10 Monster Truck Tire Tyres for Traxxas HSP Tamiya HPI Kyosho RC Model Car Tires: Outer Diameter: 130mm/5.1in Tire Width: 68mm/2.6in. Material: Rubber+Plastic. Wearproof easily assembly. 1/10 scale off-road vehicle tires.