4x 130mm RC 1/10 Monster Truck Bigfoot Tyre Tires &12mm HEX Wheel Rim Hub for HSP Front tires and rear tires size is the same Outer Diameter: 130mm/5.12";Wide:65mm/2.56" Wheel Drive Hex:12 mm/0.47" Material:Rubber + Plastic It is suitable for RC 1: 10 Off-road car,Truck,Monster Truck,Bigfoot