Originally Posted by
guadzilla
It depends a bit on your body type. I find a set-back seatpost closes up my hip angle way too much - i ride zero setback seatposts and am perfectly well balanced. I suspect my long legs/short torso may have something to do with it.
I have one bike with a zero setback seatpost, but it's got a 72.5 STA and I have shortish thighs, so that's a bad match. My bikes with 73 or 73.5 STAs, the saddle's all the way forward on setback posts.