Bafang 1000W Middrive Motor Upgrade for Catrike - This powerhouse provides maximum power to the rear wheel. This will give you the best climbing power as well as the highest top speeds. It is paired with the 860C color computer console which allows you to program up to 9 levels of assist. Can be controlled automatically by pedaling or by using the throttle. YOU WILL NEED THE FOLLOWING "SPECIALTY" TOOLS 8MM ALLEN WRENCH, BBT-9 bottom bracket tool