Engineered for precision and durability, the Spitfire Formula Four Engine 29 wheels deliver exceptional performance for street and park skating. These 56mm conical full wheels feature a 99D durometer rating, providing the ideal balance of grip and slide for technical tricks and smooth cruising. The Formula Four core technology ensures consistent speed and responsiveness across varied terrain. Built to withstand demanding sessions, this set of four wheels is the choice of serious skaters seeking reliable, high-performance equipment.