Electric Assist Road Bicycles

Equipped with a compact, lightweight rear internal rotor motor that is virtually unnoticeable, these bicycles provide the perfect solution for many cyclists. Changyi has developed internal rotor motors specifically for road bicycles that are low-noise, high-efficiency, and lightweight. In road cycling, where reducing weight is paramount, Changyi’s rear-drive motors integrate perfectly with contemporary road bikes, weighing as little as 2.0 kg. Ready for any mode, from gentle assistance to full power output for high-speed endeavors, these motors ensure an effortless start to your journey.

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