Spitfire's Formula Four urethane gives unmatched abrasion resistance for fewer flat spots and smooth, anti-stick sliding. You get more controllable grip, and lasting speed.
A true performance conical shape - hand cut for quick response and less weight.
Bearings not included, purchase here.
- Durometer: 99A
- Diameter: 54mm
- Width: 32.2mm
- Contact Patch: 20.2mm
- Compound: Formula Four