Amazon.com : E·Bycco Folding Electric Bike for Adults, 750W Brushless 28MPH Mountain Bike, 20"*4.0Fat Tire Ebike, 48V Removable Built-in Waterproof Battery Up to 50 Miles, 7-Speed Full Suspension Disc Brakes : Sports
Amazon.com : Yovital Folding Electric Bike, 20" Electric Bikes for Adults with Removable Battery 36v/10ah, 350W Aluminum Foldable Electric Bicycle with Pedal Assist & Double Shock-Absorption, Rear 7 Speed Gear : Sports