The Formula Four Classic wheels from Spitfire feature a conical wheel shape and come in a 99a, 100% urethane construction with a blue and black spiral design on the side.
Features:
-
Diameter: 56mm
-
Durometer: 99a
- Formula Four urethane
- Conical wheel shape and hard polyurethane core for a true bearing seating and speed.
- Unmatched flat spot resistance.
- Made in the USA.