- Size and Compatibility: These roller skate wheels measure 58 mm in diameter with a roll diameter of 32 mm and a thickness designed for 608RS bearings. The inner diameter of the bearings is 8 mm. Please verify the specifications in the product image to ensure a proper fit for your skates. - Optimal Hardness: With a hardness rating of 82A, these wheels provide a balanced blend of flexibility and durability, ensuring excellent bounce and grip. They are specially engineered for outdoor skating, yet perform exceptionally well on indoor surfaces as well. - Agile Performance: These compact wheels are ideal for outdoor leisure skating, allowing for smooth transitions and tricks on various surfaces, including ice rinks, sidewalks, and roads. - Durable Material: Crafted from high-quality polyurethane, these wheels are wear-resistant and built to last. They are perfect for daily training sessions in rinks or casual skating, making them a practical choice for skaters seeking quality and comfort. - Use Scenarios: 1. Perfect for skating in parks or on the street, providing a stable, cushioned ride on rough surfaces. 2. Suitable for indoor rinks, allowing for quick maneuvers and a comfortable skating experience. These wheels are designed to enhance your skating performance and durability, making them an essential addition to your skate setup.