JIUWU 4 x Off-Road Wheels 12MM Hex Tires Crossing Tyre for RC 1:10 Cars Black Suitable for 1:10 RC cars,Electric cars Tires Outer Diameter: 65mm/2.56"; Tires Inner Diameter: 45mm/1.78" Wheels Outer Diameter: 52mm/2.04"; Hexagon Coupling: 12mm/0.47" Tires Width: 26mm/1.02"; Rubber Material Tires and rims are not glued, with fomes inserted