The Bones Cruz Buena Vida STF V2 103a Wheels are specifically formulated for what you skate. The V-Series Wheels are made with Bones Street Tech Formula, giving you more slide-ability and way less flat spots creating a wheel with a substantially higher rebound for more speed and amazing slide capabilities. Manufactured in the U.S. at the Bones factory in Santa Barbara, California, the V-Series are skater engineered and designed for the ultimate performance. Wheels are sold in sets of four.