Vivi 26Inch Electric 500W 48V Foldable Mountain Bike MTB 21 Speed E-Bike with Mechanical Disc Brake
Amazon.com : Vivi Electric Bike for Adults 350W Foldable Electric Mountain Bike 26" Ebike 20MPH Adult Electric Bicycle with 10.4Ah Removable Battery, Up to 50 Miles, Shimano 21 Speed, Suspension Fork :