

However, we do not know how to identify which facility is represented by these codes. The next couple of letters is its manufacturing plant code. This means that the sample code indicates that it was built on the 123rd day of that year. The next sequence is a series of three numbers corresponding to the specific day a bicycle is produced. The serial begins with WTU and any modern Trek bike serial number format begins with the same three letters.

Below is a sample serial that is not from any specific bicycle. The series is made up of 13 characters using both letters and numbers.

Serial number on Trek bike and understanding the formatįor your Trek bike serial number decode it by looking at the sequence of characters, the order is important. Some vintage bicycles have the print in other locations, such as under the cable guide at the bottom of the shell or the seat tube’s lower end. This location is not exclusive to Trek, and many other bicycles have their serial here as well. To check serial number on bike, turn it over and look at the underside of the frame below the bracket. The serial number on Trek bicycles is usually found at the same spot, whether it’s a modern bike or one that is vintage. They also serve as insurance in case of theft. However, serial numbers are often difficult to understand and need some sort of decoding knowledge to make sense of.įor bicycles, serial numbers are important to register for warranty and other services. Some items also include product specifications such as size. Various information may be included in a serial number, including its production date and where it was produced. These are usually printed somewhere on the body of the product it marks. What is a Serial Number and Why Use It?Ī serial number is a series of characters made up of numbers, letters, or a combination of both that serves as a unique identifier for specific products. On the other hand, vintage Trek serial numbers use a different system which is apparent due to being only 6 or 7 characters long.

The same goes for A, B, and C these have yet to be included in compiled information. Based on the compiled information, units produced in 2023 should have the letter T as their last character, but this is just an inference.
