New custom shape designed by Ishod.

Spitfire Formula 4 features more speed and control on all surfaces, unmatched flatspot resistance, smooth anti-stick slide, high rebound compound. 100% true performance urethane.

Lock-In Classic: Medium width asymmetrical design with a straight edge lock in cut for control and classic round outer sidewall for versatility on any terrain.

53mm x 33mm, 19mm Riding Surface, 99A.