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Great Fake De Rosa - What is it?

Old 06-23-13, 10:22 PM
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Llumpfish
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Great Fake De Rosa - What is it?

Hey all,

Brand new member here. I just bought a bike with a frame that is stickered De Rosa Giro d'Italia. I love the bike. But I've done enough research to know it isn't a Giro d'Italia, and very likely not even a De Rosa. Which I'm actually okay with because it has a great ride, and is a very nicely built steel frame. At this point, I just want to figure out what it was when it was born. Here's what I know:

1. heart cut lugs; hearts are really well defined on top tube and seat tube lug, more like triangles on fork;
2. bottom bracket has three parallel diagonal cutouts, and serial
Z 96 452;
3. Tube diameters are 25mm top, 28mm down and seat;
4. Size is: Seat Tube 54.6 C-C; 56.5 C-T; Top Tube 54.6.
5. Bent (chevron'd) brake bridge on the seat stays;

It's a great bike - very smooth, very balanced. Pics attached.
Thanks so much for any help!
Cheers,
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Old 06-24-13, 07:31 AM
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Who knows what that is, but it is not a DeRosa for sure... Those are not "hearts" in lugs but factory windows, as supplied, the plug-in-seat-stay seat lug at least is of Taiwan manufacture, ditto bbkt shell, could be a home made bike from a small factory somewhere on any of many continents. All you know is that it is of steel and you like it. So enjoy, enjoy...
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Old 06-24-13, 09:09 AM
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jet sanchEz
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This bike was outed as a fake in the Craigslist/eBay thread, kind of looks like an old Miyata or Univega to me.
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Old 06-24-13, 12:08 PM
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Originally Posted by lowgear45 View Post
Who knows what that is, but it is not a DeRosa for sure... Those are not "hearts" in lugs but factory windows, as supplied, the plug-in-seat-stay seat lug at least is of Taiwan manufacture, ditto bbkt shell, could be a home made bike from a small factory somewhere on any of many continents. All you know is that it is of steel and you like it. So enjoy, enjoy...
Good advice. I will. Thanks for the help.
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Old 06-26-13, 12:38 PM
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90% sure it's a De Bernardi Thron from the early - mid 90's.
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Old 06-26-13, 05:03 PM
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What is the BB threading? The seat post diameter?

These cutouts are the same as on another bike that was posted for ID. I think these are sort of a low key from an Italian manufacturer.

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