The overall issue is that fitting a kit MD motor to a bike can be problematic as the frame wasn't designed for it as the manufactured bikes are. You lose the "stealth" factor that seems to be a benchmark via exposed wiring, lower ground clearance (generally) and non integrated battery. However clean builds like EMR's can be achieved and have the benefit of easier maintenance and are future proof as technology moves forward you can upgrade components easily.
Q factor and chainline can be adjusted using straight arm cranks, the Bafang ones worked great on my TS build, and offset chainrings. However limited to 42t on the TS. It is a little extra work to get it all to your satisfaction but along the way you learn how it all ties together and maintenance is easier without having to take the bike to a shop each time it has issues.
Q factor and chainline can be adjusted using straight arm cranks, the Bafang ones worked great on my TS build, and offset chainrings. However limited to 42t on the TS. It is a little extra work to get it all to your satisfaction but along the way you learn how it all ties together and maintenance is easier without having to take the bike to a shop each time it has issues.