Ok Gary,on your current EBike. If he sent one off to you to field test,would you try it out and give a Proper Scottish review?Perhaps he just took a guess while day dreaming about motocross while watching an 8yr old kid ride his scooter? If you have an idea you think might work sometimes have to just take a punt and TBF stem height isn't actually all that critical as grip height it can always be achieved with the use of different rise bars and fine tuned with the use of small headset spacers.
Avy
Avy