New 97 Durometer!

Spitfire Formula Four Conical Full Wheels 97du

Size 58 mm

Formulated for a softer, faster ride. Unmatched flatspot resistance. Designed for every spot. Grips or slides when you need it. 100% true performance urethane.

FORMULA 4
Unbeatable lasting performance SPITFIRE urethane. Fast as hell. Long lasting, abrasion resistance, smooth anti-stick slide with a controllable grip. Guaranteed.