Spitfire 99a F4 OG Classics 55mm Skateboard Wheels Longboards while removable wrist leashes help

while removable wrist leashes help prevent lost gloves

Featuring a Parabolic Rocker Profile and Grip Tech contact points

A soft microfiber lining adds next-to-skin comfort

L 16 – 17 in (40 – 44 cm)

Spitfire 99a F4 OG Classics 55mm Skateboard Wheels Longboards while removable wrist leashes help99a Durometer More speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti stick ride. High rebound compound. Formula Four Urethane Formula Four urethane is unlike any other. Both in the streets and under high speed stress tests in Spitfire's lab, Formula Four wheels retained more material, coned less and kept their original shapes and sizes longer than any other wheel. OG Classic Shape Spitfires original cut away wheel shape.