Ricta Wheel Dynamics 55mm Clouds 78a Iridescent Pink featuring transparent pearlescent glitter urethane with black core, debossed and pad printed lettering. Super-soft urethane with stone ground riding surface for rough spots, cruiser setups, and general transportation. Ricta Clouds are the most diverse cruiser wheel family in skateboarding. With sizes from 52-60mm and 78a, 86a, and 92a durometers, Ricta makes a soft wheel for any terrain or setup. All Ricta skateboard wheels are sold as sets of 4. Features: Diameter: 55mm Durometer: 78a Width: 34mm Road surface : 21mm