Multipurpose The skateboard hardware set is suitable for sports venues and various outdoor roads, including brick roads and speed bumps. It is intended for skateboard enthusiasts to modify, maintain, or fittings. What you get The package includes 4 skateboard wheels and 4 bearings. Specifications: Hardness 80A; Bearing size 22 x 8 mm (OD x ID); Wheel size 32 x 55 mm (width x outer diameter). Reliable material Made of polyurethane (PU), these wheels resist slip, wear, pressure, and impact. They provide smooth and comfortable rolling and are long lasting. Special designed The fittings are specially designed with the assembled bearing and the wide surface, to pass obstacles or roads easily. Stable grip, good rebound, and easy to control. Use scenarios worn wheels on a street or brick road to improve grip and ride comfort for commuting or practice on rough pavement. Upgrade a board for skateparks or tricks where reliable grip and rebound aid in control and landing. Quick maintenance for rental boards at venues or schools to provide dependable performance on diverse surfaces such as pavement, speed bumps, and rough roads.