evo.com | Spitfire Skateboard Wheels > The ultimate skating collab? We think so. Pick up the Spitfire x Thrasher Formula Four 99d Oath Red Radial Full Skateboard Wheels and rep the best in the biz. Formula Four Urethane Unmatched abrasion resistance (no flat spots), more controllable grip, lasting speed everywhere, smooth anti-stick slide, longer lasting (holds size and shape longer). Radial Shape Round edges, slim to medium riding surface offers a quick, responsive , round edge shape. Spitfire Duro 99 The Duro 99 by Spitfire has more speed and control on all surfaces, has flat spot resistance, long-lasting anti-stick slide and a higher rebound compound. | Spitfire x Thrasher Formula Four 99d Oath Red Radial Full Skateboard Wheels 2026 - 58