Dating raleigh frame numbers

Posted by / 18-Mar-2018 18:38

According to the brochures, Trek did not make 41X and 61X bikes or frames during 76, 77, 78, and 79 and also not in 83, 84, 85, 86, 87, 88, or 89.These serial numbers apparently do not follow the year convention used for other Trek models.In the 50 M and N serial numbers that have been sent in by owners, the year numbers go from 0 through 9.The remaining part of the serial numbers seem normal.Each seven-character number consists of three letters mixed with numerals.The serial number list and the code for the list are not available from Trek (but hope springs eternal).It has a leading B and has eight characters instead of the usual 7 (B4K6B109). Probably a TX200 with an extra character in the SN.

"Rub the area with candle wax of a color that contrasts with your paint. Note that even with the serial number filled with wax, the leading "0" is almost imperceptible."Before late 1980, Trek used an alphanumeric serial number scheme.

On some bottom brackets there are two codes: one indicating the maker of the main triangle and the other for the maker of the rear triangle or perhaps the person who cut and shaped the tubing, if not done by the framebuilder.

If you know which mark was used by a particular craftsman, please let me know.

Many early Trek bottom bracket shells have a one or two letter code stamped separately from the serial number.

This was made by the individual framebuilder to mark his/her work.

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In the meantime, we have the results of the serial number decoding project:). This letter may also have been used for custom 750 frames.