Sizing: Seat tube c-c (cm/in): 58/22.8, Effective top tube c-c, (cm/in): 56.5/22.2, 10-speed. What can we say about this bike? DeRosa is one of the most famous names in cycling, Italian or worldwide. This frame is said to be from 1982. Columbus tubing, full Campagnolo Nuovo Record and Record components including derailleurs, hubs, crankset, brakes, shifters, quick releases, headset and even pedals (rear derailleur in 1978), Rigida rims, and Cinelli handlebar and stem.