The Bafang BBS02b 750 watt mid drive motor is the most powerful electric motor on the market that is legal for street use. This motor has a 120Nm of torque and can can produce 1400 watts of peak power. It is simple in design, requires no maintenance, and is virtually trouble free. It is the most popular mid drive motor in the world. Bafang Industries sells over 1,000,000 of these motors annually. Bafang sells more electric bike motors than all other motor companies combined.
The Bafang BBSHD 1000 watt motor is a heavy duty motor for off road use. Everything about this motor is overbuilt. It has a 30 amp controller, large cooling fans, and a 160Nm of climbing power. Peak power for the BBSHD is over 1600 watts, which is an astounding amount of power. This motor is larger and heavier than the BBS02 but has the power to make the weight difference non essential.