Skarper: Sir Chris Hoy-backed e-bike motor provides power via the rear disc brake
Sir Chris Hoy is backing a new clip-on e-bike drive system where power is applied via the rear disc brake. Skarper’s designers say it means a bike can be turned into an e-bike and back again in a matter of seconds.Hoy, who has been heavily involved in Skarper’s development, has long been a fan of … Read more