The Rollerblade Hydrogen Inline Skate Wheel is designed for enthusiasts seeking speed and precision. Produced in the USA, these wheels boast a distinctive urethane exterior combined with a robust nylon core for a smooth and grippy ride. With a dependable 85A hardness, they guarantee durability and exceptional control. Ideal for those eager to elevate their skating experience. This set includes 8 wheels; bearings are not provided.