Dual Durometer Construction: They feature a90asoft outer urethane bonded to a hard101a Formula Fourinner core. This gives you a smooth ride on rough ground while maintaining the speed and stability of a hard wheel.
Radial Shape: The blue 56mm version uses theRadialprofile—a versatile shape with a medium width and rounded edges for a responsive feel.
Performance: They are marketed as a "fast, soft wheel" that handles cracks and crusty spots easily but still feels like a performance skateboard wheel rather than a bulky longboard wheel.
