On my Toupe 2010 there is a marking that may help with the for/aft positioning of the saddle. I found (finally...) a perfect fit. What does strike me that the saddle clamp does not completely fit in-between these markings. I moved my sadle about a cm backwards and past the marking on the rail. I am now thinking; should't I better change to a longer bar-stem and reposition my sadle right to the middle again?