1. Durable WheelsThese skateboard and longboard wheels are made from quality materials to ensure durability and performance. Specially designed for professional longboard street skating, they are the choice for skateboard enthusiasts. 2. ABEC9 608RS BearingsEquipped with ABEC9 608RS bearings, these skateboard wheels provide smooth and efficient rolling. The bearings are manufactured using carburizing technology, making them suitable for all weather conditions. They are also dustproof and dirtresistant, ensuring a reliable and consistent ride. 3. Versatile ApplicationThese wheels are suitable for various types of skateboards, including standard skateboards, longboards, regular skateboards, short skateboards, hand trucks, or suitcases. They are a complete accessory set that upgrades and enhances the performance of your skateboards. 4. Materials DesignThe wheels are made of PU material, known for its grip and durability. Measuring 60 x 45 mm, they offer a balance between stability and agility. With a hardness of 78A, they deliver a smooth and comfortable ride.