Skarper has introduced an innovative electric bike conversion kit using a disc-brake rotor for powering pedal-operated bicycles. The company claims that the new kit can transform any disc-brake bike ...
Skarper announced its electric bike system in June 2022, showcasing a design that is attached via a disc brake rotor to electrify a regular bike – and now it's going into production. Skarper’s system, ...
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