Soft 78a high rebound long lasting urethane perfect for rolling over any surface cruising and pushinga cut shape for all terrain funinjection molded fiber reinforced hub for superior performance and durabilitylifetime warranty against manufacturer defectssize 59 x 40 mmmini logo awol formula wheel is perfect for rolling over any surface cruising and pushing our super high rebound 78a formula and injection molded fiber reinforced hub outperforms and outlasts most wheels at a fraction