Freewheel PRO for specific pedals of the mid drive motor kit .
Amazon.com : DRIFT MANIAC Single Speed Freewheel 14t for Ebike,1/2x1/8 : Sports & Outdoors
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
How to exchange the cassette / freewheel on the hub motor of your fat-tire electric bike - YouTube
Sunlite 7-Speed Freewheel - Winter Garden Wheel Works, Bike Rental Station, EBike Store | Winter Garden, FL
22T Freewheel for Ebike - Robotools
48V 1500W Electric Bike Hub Motor Brushless Rear Hub Motor 1500W Freew – Pasion eBike