Originally Posted by orcas island

The color of the bike is a very rich and vivid yellow, my cell phone pics are particularly lousy, making the color look pale and washed out. Was a more common crankset for the GR a Stronglight model 93, or did Campy show up there? I think this bike is either a 1971 or 72? Perhaps others have more knowledge of the color/year progression for GR's. The rear derailleur is stamped Pat. 72...