Devil wheels have been developed to respond to the problem of highly slippery surfaces. Compared to the previous generation of wheels, the uniqueness of the Devil is the greater "noiseless effect" and the ability to maintain maximum grip in the case of landing on the outer edge of the wheel.
Hardness: 36D - 39D - 42D
Correspondence with freestyle polyurethane wheels:
Devil 36D=Fox/Fox light
Devil 39D=Panther/Panther light
Devil 42D=Mustang/Mustang light