Originally Posted by Citoyen du Monde

Weight on its own is not the disqualifier, as many experienced smooth clydesdales can be less damaging on a bike that certain lightweights. I saw Ernesto Colnago personally fit a fellow of your size for a C50, so he must not rule it out. Bikes from the pre-1985 period will work well for you, as the bikes were still quite overbuilt at teh time and weight wasn't the sales feature it has now become.