99a DurometerMore speed and control on all surfaces. Unmatched flatspot resistance. Smooth, anti-stick ride. High-rebound compound.

Smooth SurfaceSmooth wheels have less surface friction than treaded wheels and are easier to slide.

Narrow ProfileThe least amount of traction intended for advanced, technical skateboarding.

Formula Four UrethaneUnmatched abrasion resistance (no flat spots), more controllable grip, lasting speed everywhere, smooth anti-stick slide, longer lasting (holds size and shape longer).

Classic Slim ShapeA slimmer, lighter version of the Classic Shape. Designed for lasting speed and a more comfortable slide.