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Help identify Benotto model and year

Old 06-10-16, 06:38 AM
  #1  
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Help identify Benotto model and year



Hi RF & Co

Would you be able to help me identify this Benotto?

The seatpost is 27mm (at least that's the size I removed), Campagnolo fork and rear dropouts, ITA BB threaded, diamond chain stays - chromed, heart BB has bridge through middle (?)

The original parts that came off the bike were SR derailleurs PAT. 84 RD. Solida crank and Superbe Pro BB don't appear to be original - crank axle Sugino with Sugino crank bolts. Frame is size 59 and there is numbers 1 (or i) 2 3 3 on BB.

Confusing is the Columbus SPX decal which looks like it could have been added over a previous decal.
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Old 06-10-16, 06:45 AM
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Some more pics
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Old 06-10-16, 07:48 AM
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I'd place it circa 1982/1983, as this was the year that front derailleur tab was first catalogued and it is also around the end of the timeline for the Portacatena dropouts. SLX came out in 1984 but this is a post 1987 Columbus decal and an almost certain addition. Typically, SLX era frames have dual bottle bosses and pump pegs. Regardless, it is easy enough to check for SLX, as the bottom bracket ends of the seat tube, down tube and chainstrays will have five helical ridges (see pic).

A 27.0mm post is typical of Columbus SP but generally was not used on frames this small. Columbus SL would be typical. It uses a 27.2mm post, so the current post may be slightly undersize. If you don't find the helical ridges at the end of the tubes but they are present inside the bottom of the fork's steerer column, then you have Columus SL or SP.

Seeing Portacatrena dropouts on a 1984 model would be quite rare, so I think the rear derailleur is a red herring. The component mix really doesn't help in dtermining the model or year.

As for the model, assuming it is SL or SP and circa 1982, it should be a Benotto 3000.

Edit: Even if the front derailleur tabs was an addition during the apparent repaint and re-decal, it would be no older than 1978 by virtue of the Portacatena dropouts.
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Old 06-18-16, 02:05 AM
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Thank you very much for this comprehensive answer. I have learnt a few new items I didn't know before and thank you kindly for taking the time to share your knowledge. I am highly appreciative.

There are no ridges on the tubes, so not SLX. I am very tempted to try and remove the later model Columbus decal but don't want to damage the decal below.
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