Spitfire Formula Four Lock Full 99d

Spitfire Formula Four Lock-In Wheels Wheel Size: 55mm A wider version of the Lock-In shape. Asymmetrical design with conical cut outside for less weight. Straight edge 'Lock-In' inside for control on all terrains. FORMULA 4Unbeatable lasting performance SPITFIRE urethane. Fast as hell. Long lasting, abrasion resistance, smooth anti-stick slide with a controllable grip. Guaranteed.LOCK-IN (SHAPE)Asymmetrical shape and design.