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. More speed and control on all surfaces with unmatched flat spot resistance. Formula Four's high-rebound compound allows a smooth, anti-stick slide.
The Conical shape is good for slides, with straight sides for grinds, and good control thanks to the wider riding surface.
Bearings not included, purchase here.
- Durometer: 101A
- Diameter: 53mm
- Width: 33.5mm
- Contact Patch: 21.5mm
- Compound: Formula Four