evo.com | Spitfire Skateboard Wheels > A stellar all-around wheel, the Spitfire Formula Four 99D Maulers Conical Full Skateboard Wheels deliver balanced speed and control on a variety of surfaces. 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). 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. Conical Full Wider riding surface and cutaway design for unmatched control and lasting speed everywhere. | Spitfire Formula Four 99D Maulers Conical Full Skateboard Wheels 2025 - 58
