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Old 02-14-10, 10:45 PM   #1
sirpoopalot
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Anyone recognize a serial number in this format/pattern?

Serial no. is: Y7B1386

The frame is a lugged, decently light steel road frame that I have. It was repainted prior to my acquisition of it, so I do not know the maker of it.
The bike originally had 105 components on it, so I it think is a pretty decent frame.

Sadly there are no distinct frame characteristics- the lugs are pretty plain, and there are no identifying marks on the seatstay caps.

I assume the last two digits of the serial code correspond to the year of the frame- ca. 1986 , as the original 105 components are of that vintage.
Also the frame has somewhat strange geometry- 56cm top tube, 52 cm seat tube.
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Old 02-15-10, 11:15 AM   #2
T-Mar
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It's a contract built frame and could be any number of brands. It's not a 1986, but 1987 (or some year that ends in 7). Lotus was one of the brands using this supplier at this time, but typically they had embossing.
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