i ride high bars 21.5 inches
& your ??? guy who started tread is sort not needed,
u should have them at height u feel best when riding at
i personal think u should have then so they fit ubder your Nuts when standing up, Less Chance getting Injured
but yeah my at at heigh i like them, & fit under my legs so im safe,
but yeah lot kids ride them so low these days,like there in a car & lowered it to the max lol
most people i seen like this at local park are not short, bout same height as me, so yeah as said above should be height & width u feel natural riding scooter