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Rossin

Old 07-26-16, 05:36 PM
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Rossin. Id

Hello. Please help me. I had frameset rossin, and I can not identify with his model. Can you help me ?
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Old 07-26-16, 06:07 PM
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Doesn't look like a Rossin frame. Can you post a photo of the underside of the bottom bracket shell?
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Old 07-26-16, 06:34 PM
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Added. exactly the same
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Old 07-27-16, 02:46 AM
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I agree that the frame doesn't look like a Rossin frame. I think the Rossin front fork may be a replacement for a possibly damaged original front fork.
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Old 07-27-16, 04:05 AM
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but the serial numbers (ty 43)on the frame and fork are the same. as well as marking frame size (60)
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Old 07-27-16, 05:16 AM
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This one is really strange. Normally, the pump peg, multiple bottle bosses, lack of front derailleur hanger and lack of embossing would have me thinking no older than mid-1980s and no higher than mid-range. However, the presence of a 3rd set of bottle bosses and lack of paint have me wondering if the frame has been modified.

At this point, I'd be trying to identify the brand and level of tubing. I'd be checking for a logo on the outside of the fork's steeer tube, then determining the seat post size it uses.
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Old 07-27-16, 05:25 AM
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Originally Posted by T-Mar
... However, the presence of a 3rd set of bottle bosses and lack of paint have me wondering if the frame has been modified. ...
... or a touring bike, perhaps? The frame geometry, including the wheelbase and rear tire clearance, may be helpful here. Yes, the seatpost diameter will tell a lot. Smaller than 27.2mm --> not double-butted --> probably not Rossin(?).
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Old 07-27-16, 05:57 AM
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Originally Posted by John E
... or a touring bike, perhaps? The frame geometry, including the wheelbase and rear tire clearance, may be helpful here. Yes, the seatpost diameter will tell a lot. Smaller than 27.2mm --> not double-butted --> probably not Rossin(?).
I considered a touring model but the short dropouts put it into the timeframe when touring models were being equipped with cantilever brakes and there are no cantilever bosses. There aren't even any fender or rack eyelets to suggest a possible randonneur frame.
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Old 07-27-16, 07:40 AM
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Seatpost diameter is a 26.8.
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Old 07-27-16, 07:54 AM
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A 26.8mm post indicates a tubing thickness of 0.8mm. This is in the range of a plain gauge seat tube for most manufacturers. Given the Italian origin and apparent age, the most likely tubesets are Columbus Aelle or Columbus Gara. Did you find any logos on the fork's steerer tube?
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Old 07-27-16, 09:50 AM
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Old 09-06-16, 04:09 PM
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Hi there,

Your frame shares certain hallmarks with my Rossin and quite a few others I've seen. It's a real one, as far as I can tell and researched - albeit a mid-tier one and not end a high end one. (I really like my frame though, I ride it quite a lot and it feels 'fast'.)

You might find this thread useful.

And here are a few pics of mine.

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