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 both durable and efficient, making them an excellent choice for various applications. Technical specifications Outer Diameter (OD): 55mm Wheel Width: 18mm Inner Diameter of Center Bearing: 6mm Material: PU and carbon steel Compatibility and accessories Suitable for suitcase wheels, swivel casters, roller skate wheels, etc. Package Contents: 4 x Luggage Suitcase Replacement Wheels 4 x Axles and Screws 4 x Screw Wrenches 8 x Carbon Steel Bearings 8 x Gaskets Installation You can easily install the new wheels by removing the old ones with a hacksaw at the gap and then attaching the new wheels using the included accessories. Usage These replacement wheels are ideal for restoring the functionality of your luggage, ensuring a quiet and convenient travel