The final measurement which i made was the gap in between the deck and the handlebars. This was used to detect the maximum rider top that every scooter could be comfortability ridden at (i.e. if it’s much too short, you’re forced to crouch around and possess much less control). https://www.electricscooter.ltd/hot-sale-pro-15000w-electric-scooters-aluminum-alloy-e-scooter-max-speed-135km-h/