Originally Posted by
BarracksSi
Maybe, but they'd need to check the head tube length so that they don't end up with huge saddle-to-bar drop, too.
not only that, but for 700c bikes, frame sizes smaller than 21"/53cm are not actually smaller. The steeper STA only makes it worse for people with longer legs, because they'll have to buy a special seatpost with extra long setback.
Basically, the top tube does not get any shorter than 21.5"/54.5cm