Spitfire - Formula Four Lock-ins Mash Up Blue/Teal 99 Duro Wheels
- durometer: 99A
- Spitfire Formula Four urethane formula
- more control and speed on any surface
- high abrasion resistance and flatspot resistance
- anti-stick slide for constant, fast and smooth slides
- asymmetrical Lock Ins shape
- straight edge on the inner side, conical profile on the outer side
- better lock-in at grinds on curbs and rails
Medium - Your classic wheel shape, versatile all-around wheel for street/park skating.
Smooth - Smooth wheels come with a shiny coating on the riding surface that feels grippy at first, but wears away quickly.
Formula Four Urethane - Unmatched abrasion resistance for fewer flat spots. More controllable grip. Lasting speed no matter the terrain. Smooth anti-slick slide and a longer lasting size and shape.
Lock Ins Cut - Asymmetrically cut, you can get the benefits of conical outer walls while the inside wall is cut straight, giving you a flat surface to lock in your grinds.