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Old 12-09-06, 08:06 PM
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Originally Posted by Katzenjammer
For the SN, look on the seat tube near the bottom.
Just looked again. Nothing in this area at all.

But I looked up the codes for the Der's on the Trek website. After I found out what to look for, I found date codes on both.

The FD code is OD, which gives April, 1972. This would be one of the earliest dates mentioned by the writer.

The RD code is OG, for July, 1972.

So it would seem this Centurion would have been built about 1972.

That may indicate that the number - R172 - stamped at the top of the seat tube is either a serial number, or another code for the date of manufacture.

Last edited by Marlin; 12-09-06 at 08:45 PM.
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