Durable longboard and skateboard wheels built from materials to deliver lasting performance. They are designed for pro longboard street skating, providing a smooth and reliable ride. ABEC9 608RS bearings provide precision and smooth rolling. The bearings use carburising technology for durability in all weather conditions and are dust and dirt proof for consistent performance. Wide compatibility for a variety of boards and uses. Suitable for standard skateboards, longboards, regular skateboards, cruiser boards, short skateboards, hand carts, suitcases, and more. Versatile enough for different skating styles and purposes. Complete accessories set. Includes 4 wheels, 8 bearings, and 4 spacers, giving you all the components needed to update your skateboard. This set makes it easy to worn wheels and enhance your skating experience. Use scenarios Pro longboard street skating: upgrade to wheels designed for durability and smooth, reliable performance during aggressive street runs. Daily commuting or cruising: install on standard, long, or cruiser boards to achieve precise, smooth rolling and improved control in urban environments. Travel and versatility: suitable for suitcases and other carry devices, enabling easier rolling and handling when you need to move gear or luggage quickly.