Spitfire Formula Four 58 mm - 99D Conical Full 54mm eliminating the need for a

eliminating the need for a break-in phase

Glows in the dark

Hardness / Durometer: 101DU — very hard for fast roll and easy slides Shape: Lock-Ins — asymmetrical design with conical outer edge and straight inner wall for locking into grinds Material: Formula Four urethane — high abrasion resistance and flatspot resistance Performance: Fast

Shape: Standard Cylinder

Shape: Classic shape for versatile performance

Spitfire Formula Four 58 mm - 99D Conical Full 54mm eliminating the need for aSize: 58 mm Hardness Durometer: 99D (99a) fast with balanced grip and slide Shape: Conical Full wide riding surface with cutaway sidewalls for extra stability and control Material: Formula Four urethane highly abrasion resistant and flatspot resistant Performance: Fast, stable ride with smooth predictable slides for street, park, and transition skating