Get the best of both worlds with Spitfire wheels and Amphetamine Speed Bearings. The best selling 99A durometer wheel in the business coupled with the most cost effective hybrid ceramic bearing on the market. Spitfire offers timeless, durable wheels that are perfect for the streets and the skatepark. Amphetamine bearings are the epitome of durability and speed, and this set features the durability of a steel bearing with the speed of a ceramic. These high-quality hybrid bearings are strong enough, fast enough, and more than resilient enough to help you carve or cruise your own path. These bearings feature a durable hybrid construction composed of 1 ceramic ball and 6 precision steel balls. This singular extra-hard ceramic ball pulverizes dirt and thus cleans the bearing as you ride, ensuring a long-lasting lifespan to keep you rolling. With reduced friction due to thermodynamic cooling, these Amphetamine bearings are your ideal prescription for speed.