1.Geared hub motor, e-bike motor, electric bicycle motor. 2.Small size with high torque. 3.High efficiency BriefKeyword: electric bike motor, electric bike conversion kit, BLDC ... Ratio5:15:1Usage Front Hub motor for electric bicycle,golf cart,ATV etc.Rear Hub motor for electric bicycle,golf cart,ATV etc. ... with low cost and user serviceable if required. hub motor, e-bike motor, electric bicycle motor