SlowCo
1 MW
Just use a Cyclone geared mid drive motor:
http://www.cyclone-tw.com/motor.html
https://endless-sphere.com/forums/viewtopic.php?f=28&t=69867
Use it as a mid drive through your front sprocket (use the largest you can place) and a quality chain. Or as a left side direct chain drive. The 3000W geared Cyclone turns at 800 rpm nominal so an easy reduction to a 26"wheel is possible.
http://www.cyclone-tw.com/motor.html
https://endless-sphere.com/forums/viewtopic.php?f=28&t=69867
Use it as a mid drive through your front sprocket (use the largest you can place) and a quality chain. Or as a left side direct chain drive. The 3000W geared Cyclone turns at 800 rpm nominal so an easy reduction to a 26"wheel is possible.