Your entry level bike was $109 (in 1972): Cottered steel crank, steel rims, Simplex plastic deraileurs, Mafac (squeal-like-heck) brakes, steel frame, 30 lb. Your good bike two years later was $200: Stronglight alloy cotterless crankset, sewup rims, Universal 61 brakes, Columbus straight-gage frame, 24 lb.