Expert choice for your blades, the Explore ESCALADE wheels are a high quality urethane material specifically formulated for durability and performance in an outdoor training/recreational workout environment.Light-weight 5 spoke hub designed for maximum performance during training or recreational skate workouts. Features - 84mm x 82a - Natural clear urethane provides the most consistent performance qualities of speed, roll, grip and wear. - Performance Urethane - smooth, lively, and durable - 82A Streetcruiser Profile - excellent speed, predictable response