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.
Lock Ins have an asymmetrical shape: flat on the inside for endless grinds and conical on the outside for controllable and smooth slides.
Bearings not included, purchase here.
- More speed and control on all surfaces
- Unmatched flat spot resistance
- Smooth, anti-stick slide
- High-rebound compound