The Ricta Chrome Clouds 4 wheel pack is suitable for skateboard decks. Constructed of high rebound urethane, these wheels will give you a great feeling under your feet. The wheels are molded with Super High Rebound (SHR) PU rubber and are therefore particularly suitable for skateboarding. With these mid-size wheels, you'll be ready whether you want to hit the streets or the skate park. With the soft 78a durometer, these Ricta wheels will make any cruise super smooth while giving you massive grip.