Where would the bike feel too small?
Here is a picture of my bike. my lbs mixed and matched spacers by mistake.
With the size both stack and reach change, that means all angles change such as your riding position.
A smaller frame can make the position more aggressive for example.
A question: how much do your yoeleo h9 bars weight?
My vbr168 is now painted and ready to ship, HOWEVER, all of a sudden they don't have the hb010 in 420/100 anymore.
So I am definitely looking for alternatives. A bit annoying.