- Formula Four 51mm 101a Skateboard Wheels by Spitfire.
- Spitfire's Formula Four urethane design.
- Spitfire's Tablet wheel shape: straight cut profile, thin riding surface, speed and control performance.
- Unmatched flat spot resistance.
- Includes 4 urethane wheels.
- 51mm sizing.
- 101a durometer rating.
- 100% urethane.
- Made in the USA.
FORMULA 4 - Unbeatable lasting performance SPITFIRE urethane. Fast as hell. Long lasting, abrasion resistance, smooth anti-stick slide with a controllable grip. Guaranteed.
TABLET (SHAPE) - An original SPITFIRE shape. Straight Cut Profile. Thin Riding surface. Lightweight, Quick and Responsive.