... low hazard rate,long life span,charting a new direction Brushless motor, with well-functioning,life,high reliability , low hazard rate ... long life span,charting a new direction for electric bicycle. Brushless motor benefit of motors including: a) running smoothly and reliably ... efficiency c) Low noise d)High efficiency energy saving Plus controller 24V upto 96V DC Power 0.18 upto 2.2kw ...