x2 41896C01Medium Stone GreyWheel 43.2mm D. x 26mm Technic Racing Small, 3 Pin Holes with Black Tire 81.6 x 38 R Balloon (41896 / 45982)
x2 44772C02Medium Stone GreyWheel 56mm D. x 34mm Technic Racing Medium, 3 Pin Holes with Black Tire 94.8 x 44 R Balloon (44772 / 54120)