The most advanced SpiceSkate® Surfskate System upgrade ever. The innovation of tension springs cluster, or Capsule as we call it, has redefined the meaning of Torsion Force in the surfskate industry. The patented state-of-the-art unique structure of the Capsule is meticulously designed to generate ultrasmooth, balanced and powerful torsion force to emulate surfing, allowing riders to perfectly recreate wave surfing feeling and body motions. OKTO offers swappable Capsules with various torque strengths for different riding experiences.