Bafang’s H700 built-in automatic dual speed rear drive system is a clean, compact and dynamic rear-motor that aids urban commuting for eCity segment. The H700 rear motor is not only equipped with the deceleration system that Bafang is known for, but is also integrated with the automatic dual speed system. The motor automatically adjusts the gearbox ratio by detecting the speed of the vehicle during cycling, so that the rider can get a better cadence without manually shifting and experience greatly improved riding comfort without affecting the power of the motor.