Amphetamine bearings are the epitome of durability and speed. These high-quality ABEC 5 bearings are strong enough, fast enough, and more than resilient enough to help you carve or cruise your own path. With a thermally applied coating to enhance corrosion resistance and hardened steel balls for a higher Rockwell rating, these bearings will ensure long-lasting durability to keep you rolling. Including fritcion-free rubber shields pre-lubricated with Amphetamine Synthetic Speed Oil, it�s no wonder these are our number-one selling bearing. Includes a full set of 8 bearings and 4 spacers.