https://www.syimotor.com/ebike-rear-motor/ Ebike Rear Motor All the weight is on the E-bike hub motors, which provides maximum traction in different conditions. Noise levels are lower on the electric bike rear hub motor, because of the extra weight on the wheel vibrations from other parts. Many riders prefer rear drive motors which makes the bicycle have good looking. Rear motor e-bikes are more powerful, more comfortable than front motor ones.All Rights Reserved