93a Duro offer a controllable, consistent slide anywhere!Soft duro combined with a higher rebound compound results in a wheel that absorbs more impact and vibration. Easier on your body for longer sessions. The Spitfire Formula Four Radial skateboard wheel features a wide contact patch with a rounded edge design for control, speed, and a responsive slide on all terrain Spitfire Formula Fours were developed to combine all the desired properties of a performance skateboarding wheel without sacrificing any one attribute at the expense of another. The Formula Four Performance Urethane comes not from a single benefit, but from a combination of qualities and features that together produce a truly great wheel. An unmatched abrasion resistant wheel, meaning fewer flat spots and a longer lasting wheel that holds size and shape longer. Spitfires are top of their class. One of, if not THE best skateboard wheel out there.
