White/101a: For those who want and need the ultimate in performance, here it is. Best on smoother concrete, but surprisingly grippy elsewhere, this flat-spot resistant formula is as good as it gets, not to mention being a great sliding wheel.

All the Rainskates wheels are made from premium, high-rebound urethane, and feature a hard urethane core which assures precision bearing alingment, regardless of the wheels hardness. Sticking to the old school way of wheel colors relating to a specific hardness.