General description These 55mm x 18mm luggage suitcase replacement wheels are designed to provide a smooth and quiet rolling experience. Made from environmentally friendly PU material and featuring carbon steel bearings, these wheels are durable and efficient, making them an ideal choice for various applications such as luggage cases, swivel casters, and roller skates. Technical specifications Wheel outer diameter (OD): 55mm Wheel width: 18mm Center bearing internal diameter: 6mm (0.23 inch) Material: PU and carbon steel Installation Installation is straightforward: simply remove the old wheel using a hacksaw and replace it with the new one using the included accessories. Usage This replacement wheel kit is suitable for various applications, including luggage cases, swivel casters, and roller skate wheels. Other information Package contents: 2 x luggage suitcase replacement wheels, 2 x axles and screws, 2 x screw wrenches, 4 x carbon steel bearings, 4 x gaskets Measurement allowed