Mid 70s professional road bike from Colnago. Columbus SL framework finished in orange with Campagnolo dropouts. Frame and crankset dates from 1975, rear derailleur from 1976.
Equipped with Campagnolo Record group, 3ttt handlebar and stem, Colnago saddle, Nisi rims, Everest 6-speed freewheel, Regina chain.
Seat tube c-c 56.5 cm
Top tube c-c 56.5 cm