I had my 7 yr old at LBS looking at 20" bikes but what he *really* wanted was a 24" red Kona Jake. He was drooling like he *never* does. He would have fit on it too, I imagine, better than some 24" mtn bikes, even w/ step-through frame, that he tried. 6 Cs a bit much until he really gets the hang of shifting, though, it seems like...