Amazon.com : Vivi Folding Electric Bike, 20" Electric Bike 48V 500W Folding Ebike/City Ebike for Adults with Removable Battery, 50 Miles Range, Up to 20MPH, Shimano 7-Speed Folding Adult Electric Bikes :
26inch 350w E-bike Bicycle Adult Electric Mountain Bike Disc Brake Lithium Battery 7 Speed Gear Pedal Assistance Bike, E-bikes - Electric Bicycle - AliExpress
Amazon.com : Vivi Folding Electric Bike, 20" Electric Bike 48V 500W Folding Ebike/City Ebike for Adults with Removable Battery, 50 Miles Range, Up to 20MPH, Shimano 7-Speed Folding Adult Electric Bikes :
Vivi 26Inch Electric 500W 48V Foldable Mountain Bike MTB 21 Speed E-Bike with Mechanical Disc Brake
VIVI HA030-05 36V 17.5Ah Lithium Battery For MT20/C26 350W E-Bike
VIVI Elektrisches Klapprad Adult Mountainbike 26″ mit Motor 350W, Batterie 36V/8Ah Abnehmbar/Getriebe 21 Gänge
Vivi E Bike Elektrofahrrad, 26 Zoll Ebike Mountainbike Klapprad, 250W E Bike Herren Damen Mit Herausnehmbarer 36V 288Wh Batterie, Shimano 21 Gang gänge, Vollfederung (26" Schwarz Blau) : Amazon.de: Sport & Freizeit