Spitfire | Formula Four Wheels 99A Classics Skate Like A Girl 57mm (Purple Swirl)

Details
size: 57 mm
contact patch: 17.9 mm
width: 35.5 mm
durometer: 99A
formula: F4
Spitfire’s Formula Four Urethane Formula
high abrasion resistance and flatspot resistance, anti-stick slide for constant, fast and smooth slides
shape:
The Classic Shape from Spitfire the most popular shape, round cut, optimized for speed and control

The Formula Four urethane mixture is definitely one of the best formulas on the skateboard wheel market and is characterized by its performance and durability.