Trek Frame Serial Numbers Serial Number Location Trek frame serial numbers (SNs) are typically stamped into the bottom of the bottom bracket shell. In the case of some early 80s Treks, the number is under the plastic cable guide on the bottom of the shell. Just remove the plastic cable guide to see the number. The other place Trek (or their subcontractors) stamped the SN is at the lower end of the seat tube.

Note: The SN on your original sales receipt may not match the one on your bike. Sales persons sometimes had difficulty reading the numbers. 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. 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. Zvuki manka egerj. If you know which mark was used by a particular craftsman, please let me know. Serialization Date The dates coded in the serial numbers, or the dates inferred from the numbers, are dates on which the new frames were stamped with serial numbers (serialized). These dates are not necessarily the same as the model year of the frame. At some time late in each year (beginning generally September or October) the frames produced were created from designs, and painted with colors, for the next year. Hard to read?

Trek bicycle serial number database. Activation Code: Serial Number: IMPORTANT! If the activation code or serial key does not fit, download and generate new. Serial number lookup and list of affected serial numbers - Excel format. 2009 Trek 7300, 7300 WSD, and 7500 Fork Recall 2008 2008 Trek Girls' MT220 Bicycle Recall. Jul 17, 2013  Also, regarding the serial number: 'FOREIGN-BUILT FRAMES AND BIKES AFTER 1982 Three different serial number forms have been submitted for 1983 Trek Model 400 frames. One, marked 'made in Japan', begin with JS followed by six numerals. The SN was located on the bottom of the bottom bracket.' Taken from: Vintage Trek Bicycle Frame Serial Numbers.

Trek serial numbers can be hard to read. Clean the area well, and use lots of light at various angles. A suggestion by J. Hansen can help you read a serial number.

Serial Number highlighted with red wax. Click on image to see an enlarged version. Hansen) 'Rub the area with candle wax of a color that contrasts with your paint.

Lightly wipe it off with a rag. The wax stays in the indented area of the S/N. Now you can easily read the number.

I have included a photo of the results from my bike. In this case I used a red candle to make the serial number stand out. Note that even with the serial number filled with wax, the leading '0' is almost imperceptible.' Serial Number Descriptions The serial number descriptions are divided into five categories. Click on the link below to go to the appropriate category. PRIOR TO LATE 1980 Before late 1980, Trek used an alphanumeric serial number scheme.

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). In the meantime, we have the results of the serial number decoding project: Serial Number Decoding Project Nearly two hundred Trek owners submitted their frame's specifics to help decode Trek's first serial number system. Our thanks to these generous cyclists. Trek used this system from 1976 to late 1980. A variant of this first system was used in 81 and perhaps 82 for some frames. See **** year exceptions below.