Old 10-03-20, 11:29 AM
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I concur that the subject bicycle appears to pre-date the Saronni that typically surface. However, it's not necessarily a fake. It wouldn't be the first time we've seen completely different Italian brands with the same name. There could have been a completely independent Saronni brand prior to Giuseppe becoming a star cyclist and launching his own brand. That might explain the difference in decals and apparent age.

Also, until the mid-1970s, Columbus' reputation wasn't as prestigious as Reynolds. Some pre-boom Italian marques used Reynolds, such as Frejus and Legnano. Post boom, some Italian companies such as Cinelli and Masi continued to offer models with Reynolds. While uncommon, Reynolds on 1970s Italian frames is not unknown.

The frame appears to be high grade, having Campagnolo dropouts and tangs on the fork blades and brake bridge, even if some of the workmanship seems a bit rough. The combination of bottle bosses but no shift lever bosses or brake tunnels is interesting. Assuming the combination is OEM, that plus the long dropouts, would have me placing it mid-1970s, which might also explain the mixed generation Reynolds decals.

It would be interesting to know:
1. if the BB shell is Italian threaded
2. the seat post diameter
3. if the steering column has 5 helical ridges, on the inside, at the bottom
T-Mar is offline