- Formula Four Conical 53mm 101a Green Skateboard Wheels by Spitfire.
- Team model Spitfire wheels.
- Spitfire's latest Formula Four urethane design.
- Spitfire's Conical wheel shape for quick response and less weight.
- Unmatched flat spot resistance.
- Includes 4 urethane wheels.
- 53mm sizing, 101 durometer hardness rating.
- 100% urethane.
- Made in the USA.