brushless DC motor speed sensor recisely sensors assistance,no need to change original bike's structure.

brushless  DC motor speed sensor use microcomputer intelligent processing technology,precisely sensors assistance,no need to changes the structure of the original bike.In the state of assistance,may at any time adjust the ratio of power.State foot brake speed automatic discharge,status at speed governor can be arbitrary.At the same time the overall system energy saving,functional integration,are the ideal choice for customers.

brushless DC motor speed sensor