ShareGoo 12mm Hex Wheel Rims & Rubber Tires for RC 1/10 on-road Touring Drift Car (Pack of 4) Arrows pattern tyres are made of rubber,with sponge inside. Fits for RC 1: 10 on-road Racing car, drift, touring car... Tire OD: 67mm,Tire ID: 45mm Hexagon coupling: 12mm Note: The tyres and wheel rims are separated, you need to assemble and glue them together by yourself.