Wheels and tires are not glued together. Features: Made of high quality material Fit 1/10 RC Car Short-Course Truck Specifications: Material: Plastic & Rubber Quantity: 4PCS Diameter: 110mm (4.33in) Width: 43mm (1.69in) Wheel Hex:12mm (0.47in) Weight: 120g/pcs (A) 119g/pcs (B) 117g/pcs (C) 135g/pcs(D) Package List: 4PCS Short Course Wheel