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.