24 36/SPOKE TRIKE ALLOY HOLLOW-HUB G/RIGHT WHEEL 12G UCP BEARING 15MM ID X 35MM OD SINGLE WALL SILVER || Mr. Bike Shop – Mr. Bikes
250W 500W 750W 1000W 1500W Electric tricycle hub motor kit with programmable controller and APP - China hub motor, Electric tricycle hub motor kit | Made-in-China.com
Arcimoto MLM unveiled as radical leaning electric trike with three motors