Durable construction These replacement wheels are built with rubber and metal components to deliver lasting durability and smooth operation when transporting your luggage. Compatibility guidance to ensure proper fit Before ordering, carefully measure: - outer diameter - groove width - rivet screw length - wheel rivet bolt diameter (for pipe thickness) These measurements help ensure the wheels are compatible with your specific case. Smooth and easy navigation Equipped with double bearings, the wheels offer smoother rotation and better maneuverability, making it easier to steer your luggage on a variety of surfaces during travel. Key attributes at a glance - Function: replacement wheels that restore smooth rolling and handling for luggage - Compatibility: rely on precise measurements (outer diameter, groove width, rivet screw length, wheel rivet bolt diameter) to match your case - Size and fit: measure before purchase to ensure proper compatibility with your luggage - Material: rubber and metal components for durability - Performance: double bearings for improved flexibility and easy navigation on different surfaces Use scenarios - Replacing worn wheels on a checked or carry-on suitcase to regain smooth rolling through airports, hotel corridors, and baggage claim areas - Upgrading a travel bag to improve performance on sidewalks, cobblestone streets, and other uneven surfaces during city trips - Keeping a ready spare set for multiple bags with identical wheel specs to minimize downtime on trips