The Spitfire Formula 4 Lock-Ins features a asymmetrical shape and design featuring a conical cut profile opposite a straight edge side. Lock on in!
Spitfire’s Formula Four Performance Urethane lasts longer, withstood more abuse and performed superior to all other wheels.
Formula Four Urethane was developed to combine all the desired properties of a performance wheel without sacrificing any one attribute at the expense of another.
Formula Four’s True lasting Performance Urethane comes not from a single benefit.
However, from a combination of qualities and features that together produce a truly great wheel.
Formula Four Performance Urethane is unlike any other. Formula Four wheels retain more material, coned less and keep their original shapes and sizes longer than any other wheel.
SPITFIRE FORMULA 4 LOCK-INS RED:
- Conical Cut
- Diameter: 52mm
- Durometer: 101a
Daan Van Der Linden set new standards on classic San Francisco spots while filming for Spitfire Wheels latest release “Arson Department”. Backside tailslide on St. Mary’s will go down in the history books! Overall, the Formula Four Performance Urethane is unlike any other out there. Formula Four wheels retain more material, coned less and keep their original shapes and sizes longer than any other wheel. Overall, be sure to keep yourself in the loop on the rest of the amazing products that Spitfire has to offer for skaters of all kind here: SPITFIRE WHEELS