QS138 3000W 70H mid drive motor for electric motorcycles #ebikeconversion #electricbicycle This is a QS 138 3000W mid drive motor. In this video, we use Sabvoton 72100 to run it. It also can work with Fardriver, Kelly controllers. 3000w70HdriveebikeconversionELECTRICelectric bikesElectric MotorcyclesElectric VehicleselectricbicycleEVmidmotormotorcyclesQs138 Write A CommentYou must be logged in to post a comment.