Originally Posted by
genejockey
?
Doesn't reducing seatpost offset change saddle fore/aft positioning? I mean, it doesn't HAVE to, because you might be able to put the saddle in the same position, but if you did, what would be the point of changing seatpost offset?
This, exactly. Start fitting from the bottom bracket, then the cranks, then get the saddle positioned correctly, then adjust stack and reach with the stem. If the stem has to be too long or short, or too many/ few spacers, the frame is wrong.