Spitfire F4 97A Classic Shape 54mm

Set of 4 wheels.

Spitfire Wheels F4 97A Classics Shape 54mm. 
97a Durometer Formula Four F4. 

97A is formulated for a softer, faster ride, unmatched flatspot resistance. Designed for every spot. Grips and slides where you need it. 100% true performance urethane.
Classic is the 1# wheel shape in skateboarding worldwide.
Medium width riding surface with round sidewalls.