Updated on September 29, 2022
The bike serial number is located on the underside of a bicycle frame, near where it meets with the bottom bracket. You may find this sticker containing barcodes and strings beginning with WTB or other similar markings. Here’s everything you need to know about finding the serial number of a Trek bike.
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How Do You Read a Trek Bike Serial Number?
Your bike’s serial number is most likely found underneath the bottom bracket. To find it, turn around and look near where two pedal cranks join together at their axles. Serial Numbers can be located anywhere on your bicycle as long they include identifying information such as make or model name etc., but typically people will know right away because bikes come with stickers that say what year/month it’s manufactured in.
What is the Trek bike serial number? It’s a unique identifying mark for every single one of their products, which you can find on either side or at the back. This means that there are many ways in which someone could try guessing what yours might look like depending upon where it falls within those categories.
Can You Look Up a Bike Serial Number?
Yes, you can look up your bike’s serial number. Serial numbers are usually situated under the bottom bracket of a bicycle frame, and they help law enforcement track down stolen bikes if it gets lost or goes missing in action!
The bike serial number is a unique 23-digit code that starts with the year of manufacture and goes forward in time. For example, if your frame were made on January 1st, then its first two digits would be ‘01’ for this particular day/month, while subsequent numbers represent days allowable from said date until now.

Hey, all I am Joe Marino I love to ride bikes and teach others how to ride them. Most of my articles are about which bike is best for others. I am passionate about cycling and it shows, whether I am writing about a $25 bicycle from any random website or a $5000 Santa Cruz.
I have always been the guy who gets calls from friends while at work asking which bike they should buy. I have written about the best city bike for commuting, the best folding bike for use on public transit, and even what to keep in mind when shopping for kids’ bikes.
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