easyupbug 

At 73 what keeps my milage up after a few years of experimentation is similar to the efforts of 70sSanO and Delbiker1, with the addition of also being happy with shorter crank lengths, 175 and 172.5 dropping to 165mm. What is sad is I can not bear to modify my Italians. You can start slow with stems and 120mm drop bars and see how it goes. This is how I started years ago with my first modification that was one of many that helped, just the Specialized bar turned upside down and chopped off like a mustache bar with a short stem, then how awkward my vintage customs look now tall stems and the last a 120mm bar drop with stem replacement.