I personally would install Campagnolo Athena 10 speed aluminum with brifters group, look classic and contemporary for the De Rosa! Over the years of buying and selling, I've had about 10 De Rosa's, but none fit me, so I made some money instead of collecting. That is a pretty De Rosa!
__________________
Moots VaMoots 2012-Peugeot Mixte 1974-Peugeot Mixte 1973