I'd agree with Steve once again. When I did my Domane, I made sure to use 350mm for the bars but everything else I upped a bit and measured the tubes themselves for giggles assuming that the wires inside the frame wouldnt bother me but the wires on the bars might since they would be under wrap and bulky. Sure enough I did a 1200mm from junction A to Junction B in my downtube and had plenty to spare as I did with some of the other wires. just measuring the chainstay, seat tube, etc. The only ones I wanted to be relatively sure of were the shifters through the bars to Junction A