The world’s first click-on electric drive system, co-developed with Red Bull Advanced Technologies. Engineered to deliver 76Nm of motorsport-grade torque while preserving the fit, feel, and performance of your existing frame, Skarper defines a new category of propulsion: the Third Drive. Click on for effortless power to flatten "hill hell," and click off for pure acoustic cycling - superpowers on demand for the road or gravel bike you already love.