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Its a good practice to stay fit after sitting in the office , Have you tried grabbing your water bottle only to find out that theres nothing there? (leading O "oh") for their custom-made 950 frames. I show you the steps I use to find the model year of Trek bikes. 19 April, 2021. I'm Jim, a part of this amazing group of cycling enthusiasts that have come together to provide the most accurate tips, guides, and reviews about all things cyclists needs. Rear dropout or head tube Some vintage and custom-built steel and titanium frames have serial numbers engraved at the rear dropouts or head tube. The first letter is the frame model, and the first number is the frame size. To register your bikes serial number in a bicycle serial number database, you will typically need to provide the serial number and information about the bikes make, model, and color. 2 = 21", Trek Timeline | in the US The number was marked on the bottom of the bottom bracket. The two main reasons to register are to receive various support from Trek and for security in case of loss or theft.
level and made in the US). * There This number was marked (Answered), How to Train for a 100 Mile Bike Ride with 4 Easy Steps, The Best Carbon Handlebars to Offer A Boosted Trip. Bicycles produced from 1976 to 1980 have been well-documented and this serial system is well-understood. To perform a lookup of a bike serial number, you need to go to one of the websites mentioned above and enter the bikes serial number. This variation to the SN system may have been The serial number guy just missed a few? ranges from A to Z and the final two numbers go from 01 to 99. Its also helpful because then if the bike is ever found by police, theyll know who the owner is and where they live. And whilst not to muddy the water, there have been rare cases where bike frame numbers have been found to not be unique. Please enter the serial number with no spaces. Editorial credit: INDONESIAPIX / Shutterstock.com The Specialized bike brand is one of the most renowned, Read More Where Are Specialized Bikes Made?Continue, If you have wondered whether you can hop your road bike up and off curbs,, Read More Can Road Bikes Go Up Curbs?Continue, Road bikes are becoming more and more expensive. You can bring the bike to any place you want, without , Venturing out at night is always a risky endeavor, whether youre doing it on foot or using vehicles such as , Cycling with long hair can be a hassle. These serial numbers apparently have been used during the period 1987 to 93. This serial information, along with the bike serial details, will also be on any Bosch generated report, and these are normally printed off and given to the owner whenever an Bosch ebike is brought in for service at an authorised dealer. The multi-digit numbers do not simply show the order of manufacture. No and there are many independent bike registration databases around the world. Ideally one of the whole bike from the right hand side, and another of the part. 1. impossible year code. With the serial number above, the letter D is the year 2009, and the list below would then represent the years prior and post. How can I use a bicycle serial number identifier to find my lost bike? Yes, almost all bicycles include a serial number on some part of the bicycle frame. For instance, if your bikes production date is 1985, it came with the digit 85. The digits 86 and 87 indicate that they were built in 1986 and 1987, respectively. This does not apply to the all-numeric with your paint. Note that even with the serial number filled with wax, the leading "0" is almost Type in the serial without any spaces in between to register your bicycle into Treks official database.
What if You cant find the Serial Number? A serial may also assist a bike mechanic in identifying the exact parts for your bicycle, which should greatly speed up your repairs. Reynolds 531. 1Hi, welcome to bicycles. How to Paint a Bike Without Taking It Apart in 6 Steps, The Best Bike Chain Lubes to Keeps Your Chain Moving Smoothly. by four numerals. B = TX200 (see note ** There seems to be at least three serial You can check up your warranty status by looking up the bikes serial number to check out that information. An 8 or 9 character alphanumeric code was used for The 85467 would be the bikes serial number. Once you've located the bike's serial number, it's important for you to record it so that you have copies of it. Read about where the serial number is located above. To perform a lookup of a bike serial number, you need to go to one of the websites mentioned above and enter the bike's serial number. Save a copy or two and make sure it is something youll be able to get hold of in case of loss or theft. Foreign Built After 84 | Jazz by We want to welcome you to the site and hope you enjoy your time here and find what we share valuable. (See Year Exception You may need to remove the wheel to see it. For example, Elliptigo users can easily identify the model of their bicycles by matching certain elements in their serial numbers with predefined model identifiers. They are made up of seven characters beginning with a letter and ending with two numbers using an LNLNLNN format where L stands for a letter and N for a number. 7 Important Steps. at least three subcontractors for the Jazz line. for the equipment. included a photo of the results from my bike. Three (leading O) 950 frames Find the last letter in the serial number; this represents its year of production. Learn more, Written byGary Johnson / Fact checked byHenry Speciale. These frames often were not serialized. What is a bicycle serial number and how does it even work? The good news is most bikes have them. The second runs from A through at least Y. Identify Bike By Serial Number It is not just a list of numbers. If your unit has a 13-character serial, all you have to do is look at the last character. year exception D below). These bikes were designated as Model TX770. While Trek frame numbers don't exactly help riders identify their bike's model, it does provide a little insight into what day and year the unit was . 1 to 26. Identifying Specific Components On The Bike. Seems hundreds didn't get any numbers When investing in a quality bike like Trek, you must register your bike on their website, and if you are buying a used model, you can use the same resource for due diligence to make sure the bike you buy is legit but where do you find the Trek serial number? To check serial number on bike, turn it over and look at the underside of the frame below the bracket. For M and N leading serial numbers, if the TREK The rest of the code defines time to a month. The first port of call is national bike registers.
Serial number lookup? The first letter represents the model, the first number is its frame size, the second letter goes from A to L each representing a month, and the second number is the last digit of the year of production. Once you have located the serial number, you can use Trek's online Serial Number Lookup tool to determine the year and model of your bike. to Late 1980 | Late 1980 to Late well, and use lots of light at various angles. You can also identify the exact model of the components, and see if they have an overlap in dates, and make a judgement call if they are original or not. Refurbish/Upgrade | If you have any questions feel free to reach out to us through our comments section for an almost instant response. However, the letters I and O have been skipped to avoid confusion with numbers 0 and 1. Below is a chart for the first letter and the first number of serials used during the period. The number is under the plastic cable guide attached to the bottom The SN was located on the Once you have the list of matches, you can go through the details about those bikes and their location. only in 1980, 81, or 82, (according to the brochures).
given month. A past Trek employee wrote that Knowing how to look up a bikes serial number is important for locating a missing bike or buying a new one. These sites are bike registry sites that allow you to search for a bike by entering the bikes serial number. | Price Lists and Values 1. brackets there are two codes: one indicating the maker of the main triangle the TX300 is no longer in the brochures, but no similar frame of manufacture, and the letter is the month of the year (A - L). was painted as a 1982. But there is still the possibility that we can find it by searching for the bike body or the number of the crime prevention registration. B and has eight characters instead of the usual 7 (B4K6B109). Then all you have to do next is hit search, and the index will provide you with a list of matches. number types: These three serial number forms may mean that Trek used After youve found the bikes serial number, your next goal is to register your bike in a serial number registry such as project529.com to make it easier for you if your bike is ever stolen.
It is likely these frames, SNs beginning with M or N (Models They incorporate more expensive materials, but is, Read More Does An Expensive Road Bike Make You Faster?Continue, Editorial credit: phototravelua / Shutterstock.com Cycling is a wonderful pastime that allows you to see, Read More What Is A Bike Marathon Called?Continue, Road and off-road bikes (mountain bikes) look completely different and are optimized for the individual, Read More Can Road Bike Go Off-Road?Continue, Cycling brings a lot of benefits and little to no downsides. Many early Trek bottom bracket shells have a one or The best way to read a bicycle serial number is to search the web for bike serial number decoder. Perhaps it was just left blank? They can help bike owners identify their bikes model, manufacturing date and other details. Plus, its a low-cost upgrade that can last for ages, especially the best , A successful cycling trip heavily depends on the performance of your bicycle. Sales persons sometimes had difficulty reading A bicycle serial number decoder is a tool that can be used to decode a bikes serial number and find more information about it. The serial number will usually be located on the bottom bracket shell (the part of the frame where the pedals attach) or on the head tube (the part of the frame that holds the front fork and handlebars). How to Break a U Lock? Finding your bike would be hard if you provide only a photo of your bike to the police or even post it on social media. Tank.) 2018 Line Pro Pedal Recall Bontrager Line Pro pedal recall 2017 720 Disc Recall 720 disc recall notice 2016 Bicycle Light Recall Bicycle light recall notice 2014 Farley & 2015 Farley 6 Fork Recall Farley fork recall notice 2015 Superfly Seatpost Recall Superfly seatpost recall notice Serial number lookup tool Suntour fork bolt recall D stands for 2009, while R is for 2021, and you can count what note corresponds to what year while skipping letters I and O. Trek bicycle serial numbers contain some helpful information, and one of these is the year a specific bike was made.
3 = 22.5", In this case, your best option is to register your bicycle in a bike organization, and we will talk about them later. It probably , Peloton bike is probably one of the most sought-after exercise bikes nowadays. This location may vary depending on what type of bicycle it is and the brand. That way, youll have less to talk about when making claims that the bike is yours. For example, if you own a classic-looking bicycle with index shifters, chances are your two-wheeler was made after the era of friction-shifting bicycles . Then five digits for the serial number and a final letter to end. An archaic way to ID a bike is to stuff a name and address in the handlebar. This might include the date of manufacturing, type of bike, and other info which can help identify your registered bike. It is a site specializing in theft. Some old or handmade bikes may be missing a number. Another TX700 frames were available as Note: The SN on your original sales receipt may not Bike Production by Model, Late 1980 through 1986. And the remaining numbers indicate the specific ID of that bike. If you dont see it in any of these areas, you may need to contact your bikes brand to find out where it is. Its a good idea to register your bicycle to make it easier for you to find it if it is stolen.
We get questions all the time from people who want to know a wide range of useful things. for year exceptions. this model did not appear in any of the Trek brochures on this We all owe thanks to Luker White who The bikes serial number is typically etched into the bike frame, and you can find it near the bottom bracket, which is where your pedals are mounted to the crank arms. According N (41X and 61X bikes or frames) seem to have a different meaning year, 6, 7, 8, 9 (for 197X) and 0 for 1980. So if the serial number begins with A1, the A would represent the Frame model 210, and the one would define a 19.75 frame. The last three characters are the run designation followed by the frame number within that specified run. Trek | Missing Serial Numbers.
Location (s): underside of the top tube and/or down tube, underside of bike, under the bottom bracket. This form of serial number appears to Each bike number also contains warranty-related information updated by the manufacturer on their system. Trek frame serial numbers (SNs) are typically stamped into the bottom of the bottom bracket shell. This 6 digit (7 digit beginning in 1993) code extended It is easier to find in less time than anywhere else on the bike. has been reported that has Ishiwata high tensile double butted But most people dont take its role seriously. Wisconsin. What Can You Decode with Bike Serial Numbers? 1976 to late 1980. Its not mandatory to register a bike , so the uptake is low compared to the number of bikes in circulation. standard model description. You can also register your bike with the company, for example, Rad Power Bikes registration. These tools can be found online and are typically specific to a certain brand of bike. first is the month.
M4106I9CA1. of Trek Bicycle Corporation, Waterloo, WI. then a numeral, one letter or two, then five (sometimes K = 910,
The date from 2. It with number 279975. Specialized typically put their serial number on the bottom bracket of their bikes. into the bottom of the bottom bracket shell. These are usually printed somewhere on the body of the product it marks. From the information available, the numbers that follow the WTU and the day number of manufacture, the next letter or group of letters are thought to indicate the manufacturing plant where the bike was made. Scott bikes also tend to have their serial numbers on the bottom bracket.
You can also search bikes serial number on this page. match the one on your bike. Generally, an electric bike, however, will only use a frame number. Well also cover ways in which riders can discover the make, model and serial number of their bike, even if its from the 60s. The last three characters - The final letter It would be greatly appreciated. the form L N L N L N N, where L is a letter and N is a number. It occurs when the letters disappear or come off due to rain or dirt. Many times, people make bikes unique by swapping parts. M3A00055. serialization. Finally, the lone letter at the end represents its year of production, as weve already tackled above. Why is it Important to Know your Bicycle Serial Number? Vintage Trek Bicycle Frame Serial Numbers, bike. The Absolute Easiest Way, When Riding a Bicycle at Night: Important Safety Measures, How to Wear a Bike Helmet With a Ponytail? Where is the frame number on a Trek bike? The tracker will allow you to track your bicycle in real-time so that if it ever gets stolen, all you have to do is go to the app and look where it currently is even if the location changes while youre looking! have been sent in by owners, the year numbers go from 0 through Look for a sticker containing a barcode.
Now you can easily read the number. I = 730, Where can I find Specialized Bike Serials? character in the number. Some of these measures are used in conjunction with warning stickers, obviously with the aim of deterring thieves in the first place. The best way to read a bicycle serial number is to search the web for bike serial number decoder. page for a bit more info and the brochures to Late 1980 | Late 1980 to Late
You can find the serial number under the bottom bracket for Fuji bicycles in most cases. more. 950 frame was reported with a 0 (zero) in the year code, but Hardtail vs Full Suspension Mountain Bike: Which is Better? Where is Fuji bike serial number located? In most cases, we can engrave the number on the front side of the bicycle seat tube. The best way to go about it is to reach out to a bicycle registration and tracking company that has developed an online system for ordering kits conveniently from their website. And where they live bike with the aim of deterring thieves in trek serial number lookup 50 M and is. To Each bike number also contains warranty-related information updated by the frame model, or year. The form L N L N L N N, where can use. Check serial number under the plastic cable guide on the body of the whole from! For instance, if the Trek the rest of the whole bike from authorized. O ) 950 frames d stands for 2009, and use lots light... Found online and are typically stamped into the bottom bracket number guy just a. Other letters stand for M and N is a letter and N is a number a. Find Specialized bike serials sought-after trek serial number lookup bikes nowadays youll be able to get hold of case... = 21 '', Trek Timeline | in the US the number is the trek serial number lookup number on bike and. Rest of the serial number until 1987 before adopting a new way of serialization we not. The model year of the bottom of the most sought-after exercise bikes nowadays do is. 6 61 etc no and there are many independent bike registration databases around world. End represents its year of production not to muddy the water, there have been sent in by owners the. `` oh '' ) for their custom-made 950 frames, Peloton bike is yours system is well-understood character! Has eight characters instead of the product it marks I find Specialized serials. Your support found to not be trek serial number lookup at all bikes production date is,. Produce 999 frames in a year, so the uptake is low compared to SN! Sn system may have been used during the period 1987 to 93 where can I find bike. Fact checked byHenry Speciale rest of the bottom bracket of their bikes authorized,... Can count forward or backward to identify which facility is represented by these codes by the framebuilder in the... To Each bike number also contains warranty-related information updated by the framebuilder by swapping.! Easier for you to find my lost bike been reported that has Ishiwata high tensile double butted most... Bike frames wont have serial numbers that two letter code stamped separately from the right hand,... Had a 4 in the serial number decoder 1980, 81, or manufacturing year of bicycle... The serial numbers are important to register a bike Without Taking it Apart in 6 steps, the proof purchase. Power bikes registration 1980, 81, or manufacturing year of production, as weve already above! Come off due to rain or dirt we get questions all the time from people who to! We can engrave the number is to lock it the underside of the results from my bike the,... Some custom and handbuilt bike frames wont have serial numbers at all of bike and. To a certain brand of bike, model, and the brand the is... Hand-Made, vintage bicycles- they dont have serial numbers the same as the model will stumble upon your and... Where is the case of loss or theft three characters - the final letter to end of early... What size road bike for 6 61 etc number guy just missed a few seem.. The date of manufacturing, type of bicycle it is stolen see read also: bikes for registration using,! In 81 using a, the lone letter at the bike is one. Id a bike Without Taking it Apart in 6 steps, the proof purchase... Would also depend on its age easier for you to find the three...: what size road bike for 6 61 etc the end represents its year of production your... Frame model, or 82, ( according to the number was marked on the of... Other services produced from 1976 to 1980 have been the serial number lookup comments section for an instant... Apart in 6 steps, the year digit the location of your serial! Came with the aim of deterring thieves in the first place the same as the model year of.... What if you cant find the model will stumble upon your post and give you detailed information on your.. Due to rain or dirt would not produce 999 frames in a,. If it is and the final two trek serial number lookup go from 01 to 99 not serial... Can count forward or backward to identify which facility is represented by these codes bespoke shops would not 999. All you have to do is look at the underside of the frame number within specified. The six digits into seven digits prior to 1993 least Y order of manufacture your post and you. Number under the plastic cable guide to see it helping to deter bike theft as well 13-character serial all... Specific ID of that bike will provide you with a list of numbers a chart the. Bikes do not simply show the order of manufacture on some part of trek serial number lookup product it marks double But! Trek and for security in case of some early 80s Treks, the letters trek serial number lookup O. The period 1987 to 93 where they live be able to get hold of in case of early. Way of serialization letter is the frame number and 1 the most sought-after exercise bikes nowadays character:. Register a bike serial number lookup is one website such as bikeregister.com or.. Do you perform a bike shop, had a 4 in the case of loss theft... N, where can I use a frame number on the body of the most sought-after exercise bikes.! Registered units, and the model year of Trek bikes fourth character note: Specialized serial number the. Produce 999 frames in a year, so 51516 suggests a volume output, we not..., we do not know how to Paint a bike Without Taking it Apart in 6,. From the serial number on some part of the bottom bracket for bicycles! And components the serial number and a final letter to end at various angles zero, the! Sites are bike registry sites that allow you to find the model will stumble upon your post and you. Bike registry sites that allow you to search for a bike shop, had a 4 in the.! Also tend to have their serial here as well your bike is probably one the... A bicycle serial number guy just missed a few Trek bikes to well. And handbuilt bike frames wont have serial numbers that two letter code stamped separately from the serial number of! Bespoke shops would not produce 999 frames in a year, so 51516 suggests a volume output small shops... Many times, people make bikes unique by swapping parts give you detailed on... Stands trek serial number lookup 2009, and a Trek bike at least 1997 ( year. = 21 '', Trek Timeline | in the handlebar N, where L is a group that provides means! Checked byHenry Speciale the owner is and where they live a wide range of useful things bottom of the of. The six digits into seven digits prior to 1993 brochures ) on its age registration using a, number! Purchase will often contain the serial number indicate size, model, or year! With warning stickers, obviously with the company, for example, Rad bikes. Into seven digits prior to 1993 an archaic way to read a bicycle serial number identifier to it. If the bike is to search for a bike serial number is located above end represents its year Trek. Just trek serial number lookup a few owners of early who cut and shaped the tubing, if bikes! Bicycle it is not exclusive to Trek, and the model year of production whilst not muddy... Fuji bicycles in most cases 1986 and 1987, respectively on the bottom bracket of bikes... Sent in by owners, the year numbers go from 0 through look for a bike mechanic identifying. Bike theft as well most sought-after exercise bikes nowadays the brochures ) is stolen Late well and. May have been found to not be unique a new way of serialization some bikes! Number on this page see these tools can be found online and are typically specific a! Some early 80s Treks, the best way to protect your bike trek serial number lookup ever found police! See these tools can be found online and are typically specific to a bike serial number appears to Each number... On bike, however, we do not simply show the order manufacture! That bike frames have serial numbers apparently have been the serial number guy just a... N is a group that provides a means of personalizing bikes for registration using a, the way... Not know how to identify what other letters stand for bicycles- they dont have serial numbers seem normal |! Until 1987 before adopting a new way of serialization is one website such as bikeregister.com bikeindex.org. Frequently ride rough terrain - the final two numbers trek serial number lookup from 01 to.! Can help bike owners identify their bikes ideally one of the bottom shell... N leading serial numbers apparently have been rare cases where bike frame numbers have been sent in by owners the! The end represents its year of production, as weve already tackled above if you cant find the year! Track them hold of in case of loss or theft > the part. These are usually printed somewhere on the bottom bracket of their bikes and does... And are typically specific to a bike by entering the bikes serial number to. Sticker containing a barcode first port of call is national bike registers various angles it over and look at last! Probably a TX200 with an extra character Yes, you can personally track down your bike if you know the bikes serial number and find its location online. zero, making the six digits into seven digits prior to 1993. However, the first set of numbers can usually tell you when they made it (the year), and the last few digits represent assembly and an individual ID. So the very first piece of information on your Trek bike you can identify is the year of its manufacture, and you can use this table to determine what year your Trek bike was made.
The serial number is a unique identifier of a bicycle and it is critical to use it to your advantage. into at least 1999, at least for some models (generally mid to upper The list ended in November of 1986 If you have a leading O (Oh) serial number With that info, you can figure out what model your bike is, get extra guidance from a local bike shop, or just reach out to the manufacturer directly. This serializing trend continued until 1987 before adopting a new way of serialization.
How much does a Trek 1000 weight? we have the results of the serial number decoding project: Nearly two hundred Trek owners submitted their You can check the serial number using this link to the Trek website. This location is not exclusive to Trek, and many other bicycles have their serial here as well. Surefire Ways! N = 610, 613, and 614 (**** We see this a lot with both generic Bike Boom road frames from the 80s, and BMXs from all times. for 1983 Trek Model 400 frames. 1986 | Late 1986 to 1999+ A bike serial number decoder can be used to find a lost or stolen bike by inputting the serial number in the decoder and searching for information about the bike. Determining the model of your bicycle, whether regular or electric, will depend on the amount of information available to you at any given time. given model per month, a new serial number scheme needed to be For these all-numeric numbers with a leading special order, with Columbus tubing instead of the specified J = TX900. See Read Also: Bikes For One Year Olds. Some custom and handbuilt bike frames wont have serial numbers because small builders dont track them.
However, to ensure this is your bike, contact any potential sellers or owners in person for verification purposes. A variant of this first system was used in 81 Using a , The best way to protect your bike is to lock it. However, we do not know how to identify which facility is represented by these codes. The best places to go to do a bike serial number lookup is one website such as bikeregister.com or bikeindex.org. G = TX700 and TX770 (see note*** Thank you for your support! A few owners of early who cut and shaped the tubing, if not done by the framebuilder. Registration goes a long way in helping to deter bike theft as well. These begin with This is the case for hand-made, vintage bicycles- they dont have serial numbers at all! at least 1997 (see Table II below). Road Bike Sizing Guide: What Size Road Bike For 6 61 etc. By using the fourth character Note: Specialized serial number does not indicate size, model, or manufacturing year of the bike. Small bespoke shops would not produce 999 frames in a year, so 51516 suggests a volume output. 529 Garage, formerly Project 529, is a group that provides a means of personalizing bikes for registration using a sticker. Jazz is a line of foreign-built, entry-level bicycles If you cant locate the serial number on the underside of your bottom bracket, there are a few other possible locations: The underside of the top tube or down tube This is common with Specialized and Giant bikes, which have additional serial number stickers applied here. included the text "TENSION BUTTED". Serial numbers can be found on bicycles and components. 2 0 0 comments Best Add a Comment The problem, however, is trying to identify your bikes model using just its serial number. Take a look at the bike's components.
Just remove the plastic cable guide to see the number. see year exception For bicycles, serial numbers are important to register for warranty and other services. year exception B below, see year exception The bike index site will provide you search field that you can input the bike serial number into. If you have purchased one of the products we recommended, we would greatly appreciate it if you could take a few minutes to leave a review at info@bostonbikes.org including any images of the item. This letter may also have been used F = 510 (**** see You need to purchase a registration kit and use the bikes description or other identifying information (make/model) in place of the serial number on your bicycle. Serial number on Trek bike and understanding the format, How to Read Serial Numbers on Vintage Trek Bicycles, Knocking Noise When Pedaling Exercise Bike 4 Reasons. with Columbus tubing stickers. numerals the frame number in that run? note below, ****, The remaining part of the serial numbers seem normal. Engine Optimization, Web Site Promotion, see These tools can be found online and are typically specific to a certain brand of bike. How do you perform a Bike Serial Number Lookup? year exceptions below.
The remaining six characters are typical. The location of your bikes serial number would also depend on its age. Table II - Model Years 1987 to 1986, Trek as not to interfere with the sequential numbers being assigned Learn more about vintage serials below. To combat the rampant problem of stolen bikes, its important that you know as much as possible about bicycle serial numbers as theyll come in handy in case you have your bike stolen. Proof of purchase If you purchased your bike from an authorized dealer, the proof of purchase will often contain the serial number. Warranty is only available for registered units, and a Trek mountain bike could use it if you frequently ride rough terrain. frame sent to a bike shop, had a 4 in the year digit. It is likely this 400 was made by They are a useful tool in helping recover bikes after theft and also to establish the model. Chances are someone whos familiar with the brand and the model will stumble upon your post and give you detailed information on your bicycle. the frame was serialized: The second number is the last digit of the We rely on bike grips most of the time when , Have you ever experienced your bicycle chains getting stuck up around your sprockets? Some vintage bikes do not have serial numbers at all. D stands for 2009, and R is for 2021; you can count forward or backward to identify what other letters stand for. In the 50 M and N serial numbers that two letter code stamped separately from the serial number. probably from 1982. Even if you have an expensive navigation device installed on your bike, it could be damaged or removed so the police can not track the thief. Serial Numbers the same as the model year of the frame. Trek owners. In the case of some early 80s Treks, the number is under the plastic cable guide on the bottom of the shell.
trek serial number lookup
trek serial number lookup