There’s nothing revolutionary about electric bikes. Ogden Bolton Jr. was awarded the first US patent for one in 1895. His battery-powered bicycle featured a hub motor mounted inside the rear wheel, ...

The Skarper system is different, in that it drives the bike's rear brake rotor. When initially installing the UK-designed setup, users add a wireless cadence sensor to the cranks, they strap a tab ...

Skarper, a British start-up, has launched a revolutionary e-bike conversion kit that powers your bike with a specially engineered disc brake rotor. Because changing out a wheel, wires, batteries, and ...

Back in June 2022, we talked about the interesting Skarper e-bike conversion kit. The unique setup of the Skarper kit makes use of a two-in-one rotor that not only acts as the bike’s rear brake, but ...