Windgoo B20 14" - Review 350W, 6Ah Folding Electric Bike Today I want to show you the Windgoo B20, which is an affordable and portable folding electric bike. The Windgoo B20 comes in 14-inch tires, 350W hub motor, 36V, 6Ah battery, and weighs about 24 kilograms. Setting up this bike is very easy as you [...]