1.Self-developed torque sensor, can accurately detect  pedaling force, thus achieving human-machine coordination, and its boosting continuity is better than that of traditional speed sensors.
2.Boast excellent gradeability andenergy saving,and its safety is far superior to other types of electric bicycles
3.Supported OEM bicycle frame, convenient for assembly
4.Reasonable structure design, with inner rotor and triple-reduction  gear unit