Amazon.com: Yose Power Waterproof 26Inch 500W Ebike Conversion Kit with 48V 13Ah Battery for Cassette 26" Electric Bike Rear Wheel, Electric Bicycle Hub Motor Kit, LED Display, Installation Tool : Everything Else
250w 350w 500w Electric Motor Wheel Easy To Convert Electric Bike Ebike Conversion Kit 20-29inch 700c 36v Electric Bicycle Kit - Electric Bicycle Motor - AliExpress
NCB E-Bike Umbausatz 28 Zoll für Kassette 8/9/10 Hinterrad RWD 500W Kit Disc + V Brake Kabel wasserfest IP65 36V ENC36500C-28-RWD 28" : Amazon.de: Sport & Freizeit