Schwinn serial number search

bikes catalogs parts history serial numbers. Vintage Schwinn Travelers were made from 1950 to 1988. This page shows images and text from old catalogs of this classic bicycle.

Schwinn serial number search. Breakthrough Innovations. Exceptional Customer Experience. Same Day Shipping. Continue to Parts Town. Continue to Marmon Link. Call: 800.438.8898. Live Chat. Multi-SKU Order. Search by Serial #.

The Schwinn Meteor was made only in 1953. This page shows images and text from old catalogs of this classic bicycle. skip to main content. bikes catalogs parts history serial numbers # The Schwinn Meteor. The Schwinn Meteor was made only in 1953. The information below is from the 1953 dealer catalog and the 1953 sales flyer. 1953. From the 1953 ...

Stream Schwinn Serial Number Search by Devin on desktop and mobile. Play over 320 million tracks for free on SoundCloud.What's new Search. Search. Search titles only ... Schwinn serial number ? Thread starter Schnjunckie; Start date Jun 25, 2017; Help Support Rat Rod Bikes Bicycle Forum: Schnjunckie. Joined Aug 3, 2010 Messages 165 Reaction score 108 Location Dearborn heights Michigan 48125.Schwinn Years by Model. Catalogs by Year. Model Years; Aerostar: 1990: Aluminum 354: 1991 (): Aluminum 434: 1990 [], 1991 (): Aluminum 564: 1989 (): Aluminum 594Schwinn Serial Numbers and Date Codes Dates between 1948 and 1958 are available because Schwinn kept good records. From 1958 on, several different coding systems were used, from which the manufacture date (and often the assembly date) can be decifered. All serial number records before 8/18/1948 were lost in a factory fire.A bicycle's model number or serial number is a unique code engraved onto the bike's frame by the manufacturer for identification purposes. In most cases a bike's serial number will be a string of numeric digits, however, it's not uncommon to find a bicycle with an alphanumeric code as its model number. Photo Credited by Wikipedia Commons.Even when down and out, the bike makers continued making them but at very limited numbers, Schwinn included. How many during the depression? There seems to be missing and/or made up numbers regarding the Schwinn serial numbers pre-1933. 33 back to 28 limited? Below is what seems to have been generally accepted for pre-31 bikes. It appears a guess.Five speed GT-120 Schwinn-Approved derailleur. Handy handlebar mounted gear control. Adjustable handlebar and saddle 20" x 1 3/8" tires. MAG sprocket. Colors: Sky blue or Flamboyant red. Wt. 39 lbs. Schwinn 5-speed FastBack Model H36-9; See the full 1976 Schwinn catalog. Back to Schwinn Bikes.

THE SERIAL NUMBERS ARE LOCATED ON THE LEFT REAR DROPOUT (By The Left Rear Axle Mount) -------------------------------------------------------------------------------------------------------------- ( 1952 ) Date ------------- Serial #`s From ----------------- To 01/01 to 01/07 ------- A87594 ------------------ A92478The serial number for your Spirit bike is listed on a sticker located on the main frame of the bike, commonly near the rear stabilizer. Serial numbers are always sixteen (16) digits. In most cases, the first six (6) numbers of the serial number indicate the model. The next ten (10) digits are unique identifiers specific to your unit. For example:Outdoor Recreation Products. As the parent company of such legendary brands as Schwinn and Mongoose, Pacific Cycle delivers some of the biggest names in outdoor recreation.But it's not just the names customer's trust, it's the look and feel of our products, our superior quality, and our outstanding customer service that help us bring these premium brands to the hands and feet of our ...Schwinn New World badge. The New World was a hand filet braced bicycle produced by Schwinn as a mid range bicycle below the Paramount, along with the Schwinn Superior. This brass headbadge was used on Schwinn Paramounts from 1938 until the early 1980s. 1955 Schwinn Paramount track bike.5. Schwinn closed the Chicago plant in 1983 shortly after opening a plant in Greenville MS. They were also importing many bikes at that time. Your '85 Traveler was built in Greenville MS. The headbadge still read "Chicago" because Schwinn's corporate offices remained there. The serial number SC5xxxxx indicates the frame was built in March (C ...

The bike’s serial number is marked on the underside of the frame, close to the bottom bracket. You can check the serial number using this link to the Trek website. Trek USA offers an online service where you can look up your Trek Bike serial number or register a new one so that in the event you want to sell yours, buy another one, or yours …Looking for a Schwinn bike manual? You can find your owner's manual online here. Our manuals provide basic safety, maintenance and operational information. Some manuals may include general information that covers multiple models of bike. Where is the model number, date code or serial number of my bike? The model number and date code can be ... Take a look at the special diamond style lightweight frame, drop handlebars, Schwinn-Approved derailleur gears, dual position caliper brakes, Schwinn Twin-Stik gear shift controls-up front where they belong. ... (Chrome finish fenders available on Model number 144 extra cost.) Schwinn Varsity Sport for girl's 24" ... Resources | Serial numbers ...The frame serial number indicates a head tube stamped in April 1983. Since that happened before the frames or bikes were built that could indicate a bike built right before the Chicago plants closed or one that was built by Murray for Schwinn in Lawrenceburg TN.The safest way to search for the history of a gun is to collect the serial number from the owner’s manual or body of the gun and then ask a local official, such as a gun shop or law enforcement department, for its history.View attachment 97558 View attachment 97559 Thanks Deorman for responding, here is the photo of the bike and serial number. April of 1983, at the end of …

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Quote from: 86traveler on July 22, 2011, 10:24:50 AM. the bottom bracket reads SJ599917 ... The head tube badget has 0406 on it as well. Welcome to the forum! The SJ5xxxxx number (frame build date) decodes to S=Schwinn, J=September and 5=1975 or 1985. The badge stamping (assembly date) decodes to the 40th day of 1976 or 1986.BikeChecker is a FREE service for people purchasing second-hand bikes who wish to check the status of a bike on the BikeRegister Database. Enter a frame number or unique BikeRegister marking to search. Thieves often try to sell on stolen bikes in the quickest and easiest way. This can often be through classified ad sites or indeed 2nd hand bike ...The Chicago Serial Numbers consist of a letter representing the month of manufacture, a number indicating the last digit of the year (1960 - 1964; 0=1960, 1=1961, etc.) or a letter indicating the year (1965 - 1979; A=1965, B=1966, etc.), followed by a sequential series of five or six digits (e.g. A367584 or CB77584). Serial Number Serial Number Find the serial number on the underside of the machine base. Decode the information in the serial number with the below instructions: XXXXXX - SKU VVV - NLS Vendor Code WKYY - Week/Year 9999 - Machine that made production run Troubleshooting Problem: Chain is too loose, tight, or making a grinding sound. Solution: 1.Vintage Schwinn serial number lookup. Enter your Schwinn serial number in the box and click button to see what date and year your Schwinn bike was made. Register your product - Schwinn Bikes https://www.schwinnbikes.com > product-registration. Register your Schwinn bicycle with us for up to date information on your model and, if your bike is ...

Schwinn Years by Model. Catalogs by Year. Model Years; Aerostar: 1990: Aluminum 354: 1991 (): Aluminum 434: 1990 [], 1991 (): Aluminum 564: 1989 (): Aluminum 594The serial number is located on the underside of your bike. Search for bikes that have been registered on Bike Index. The non-profit bike registry Sign up ☰ Search bikes. Serial WE19070616; Primary colors Silver, gray or bare metal. Schwinn World Sport Serial gm612263; Primary colors Black, Red, and Yellow or Gold; Stolen 2020-12-05T15.This tool searches a database of Schwinn serial numbers and if it finds a match to your serial number then it will display the information available for your bike.. Sep 17, 2017 - Vintage Schwinn serial number lookup. Enter your Schwinn serial number in the box and click button to see what date and year your Schwinn ....It is because of Anna that the Schwinn serial number lookup tool exists, and she also did virtually all of the catalogs. I would buy a catalog on Ebay and Anna would transcribe the catalogs words and I would scan and crop images. She had the lions share of the work though and I would just not have been able to do it without her (I type with two ...May 5, 2020 - Vintage Schwinn serial number lookup. Enter your Schwinn serial number in the box and click button to see what date and year your Schwinn bike was made. Pinterest. Today. Watch. Shop. Explore. When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with ...Visit our retail partners online or in-store. Be ready to ride in just a few easy steps. Get all your questions answered in one place. We love to help! Send us your questions. Welcome to Schwinn! Since 1898 we've created the very best in bicycles and continue this legacy today.Locate the bike's serial number. It will be on the head tube, the A-frame or the seat tube. Wipe dirt and oil from the serial number, if necessary, so you can read it accurately. Write it down. Call a Schwinn representative and tell her …What's new Search. Search. Search titles only. By: Search Advanced search ... Schwinn Serial Numbers 1970-1982 Print, copy, or post anywhere you like. ...Vintage Schwinn Suburban history from 1970 to 1980. This page shows images and text from old catalogs of this classic bicycle. ... bikes catalogs parts history serial numbers # The Schwinn Suburban. Schwinn marks 75 years of bicycles designe by the introduce of the ideal adult lightweights in a wide selection of models... the magnificient new ...The serial numbers for Bobcat equipment is placed in several different locations on different types of machines, according to Bobcat. The Operation and Maintenance manual for each piece of equipment shows where the serial number tag is loca...1995 Schwinn catalog. Background of the 1995 Schwinn catalog as told by former Schwinn employee Matt Karaus: Internally this was known as the "magalog", published by Challenge Publications, AKA Dave House. At the time that was being pulled together the Boulder office was still "start up" mode in many ways. As I recall, pulling off a catalog at ...If you are not able to read the serial number, you can always use a serial number search tool. It searches a database of Schwinn bicycles and displays the information about the bike. This tool will work on Schwinn bikes made between 1948 and 1982, except for a few records that were lost in a factory fire in 1948.

Chinese VIN Lookup. 17 digits, 10th digit is year (learn more). it's good to know your VIN number, particularly when ordering parts. - 1st digit : represents the country in which it was made. 1, 4, or 5 is for the U.S., L is for China, 2 is for Canada, J is for Japan, K is for Korea. - 2nd and 3rd digits : represents the manufacturer.

The Register of Approved Vehicles (RAV) is searchable using the vehicle’s permanently marked Vehicle Identification Number (VIN). The VIN uniquely identifies a vehicle and is permanently recorded on it. The VIN is usually found at the base of the windscreen (visible from outside the car) or on the door post or foot well of the vehicle. VIN:What's new Search. Search. Search titles only ... According to the 1966 Schwinn Serial Number Reference List there is no indication of them. The first serial numbers for 1966 with new letter system started February 1,1966 with BB00001 Please explain? Schwinn Serial Numbers 1952-1969 thecabe.comM1 stands for "mach one" that is your model gt. it can also be a "I" for interceptor and so on. next on the serial is "0892" this is easy to decode too, 08 means 8th month, which would be august. then you have "92" next in the lineup, this would be 1992. the last 4 digits, are your build number, this one would be the 2,198th one built.The Schwinn Breeze. This page provides year by year images and info quoted from Schwinn catalogs for the Breeze from 1965 to 1983. 1965. An excellent value in a new budget-priced Schwinn lightweight with standard schwinn frame, Schwinn tubular rims 26" x 1 3/8" nylon sports touring tires, tourist handlebars and saddle.Oct 29, 2021 · Look for the serial number on the lower head tube (right above the wheel on the front of the bike) for Schwinns produced between 1970 and 1979. Those produced after these dates will usually have a serial number stamped on the bottom bracket shell (the rear axle hanger holding the wheel in place). Search for the topics you need help with. Search. Categories ... Where is the model number, date code or serial number of my bike? ... What's covered under my Schwinn warranty? Where to Buy. Visit our retail partners online or in-store. Easy Assembly. Be ready to ride in just a few easy steps. ...Basic Schwinn Frame Identification Identifying a straight bar, cantilever, and DX frame Since Schwinn first introduced the balloon tire bike in 1933 there have been a number of different frames used. The very early frames were of the motorbike or camel back style. The Aerocycle had a unique frame and there was a double bar…Read More.Locate the bike's serial number. It will be on the head tube, the A-frame or the seat tube. Wipe dirt and oil from the serial number, if necessary, so you can read it accurately. Write it down. Call a Schwinn representative and tell her the serial number. A few words regarding the online lists.

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Here’s how: 1. Find the serial number on your bike. It’s usually located on the bottom of the frame, near the crank. 2. Decode the first two letters. The first letter corresponds to the month of manufacture, and the second letter corresponds to the year. 3.Identifying a Schwinn bike can be done through the position of its serial number and the numbering system that was used to create the serial number. Schwinn bikes have had various serial number locations over the years, but it can be a useful way to identify your bike. In addition, Schwinn bikes have different seat sizes ranging from 10 to 12 inches wide.Schwinn Paramount bike, serial numbers E859. Any help with information and appraisal would be great. Got it from an old relative who was into hot rods and such, Brooks leather seat, campagano gears, Weinmann 750/vainqueur 999 brakes, and a Mod Giro D'ITALIA handle bar.Record the Serial Number of Your Bicycle In your Owner's Manual. Do it Now. Correct! The chain goes thru both wheels, the frame, and around the stationary object. Correct! The chain goes theu the wheel, the frame and thru the bicycle rack. Correct! The chain goes thru both whees, the frame, and thru the fence. Schwinn Town and Contry Tri-WheelerJul 25, 2023 · AD3, AD4 bikes have two chains. AD Pro/Comp and AD Evolution Pro/Comp bikes have a chain and a belt. AD6 uses 2 x belts; 1 cogged/timing style belt and 1 ribbed/poly-v belt. AD7, AD8 and AD Pro all have a single-stage drive system that uses a belt. Nov 3, 2020 — Is the serial number on a pre Cadillac bike the same as a Schwinn bike. ... dating up to the reader, stingray equipment and dating colors lookup .... Dec 3, 2012 — I have taken all the schwinn serial numbers from. ... My coppertone '66 Stingray features a serial number that starts A _ 2 instead.It’s also easy to use their website and do a bike serial number lookup. You just need to enter your serial number in the search bar and wait for the results to pop up. ... How do I decode my Schwinn serial number? The Chicago Serial Numbers consist of a letter representing the month of manufacture, a number indicating the last digit of the ...Schwinn Taiwan Serial Number. 1/3/2021. No Ys in the serial numbers or difference chainstay bridge. The one tell is is Yeti dealt with strictly 7005 aluminum, as it did not have the capacity to age the 6061 T6 tubes. This Factory Homegrowns were 7005, the lower-end models were 6061. 6061 is easier to weld so its no surprise the lower ended ... ….

Cracking the Code: Understanding Serial Number Format Schwinn serial numbers from the 1990s follow a specific format that includes both letters and numbers. Although each serial number is unique, they can be broken down into different components that reveal significant information about the bike. Decoding the Year of ManufactureSchwinn Serial Numbers 1952-1969 Print, copy, or post anywhere you like.View attachment 97558 View attachment 97559 Thanks Deorman for responding, here is the photo of the bike and serial number. April of 1983, at the end of …Search titles only. By: ... Schwinn Serial Numbers 1948-1951. Most Recent BUY IT NOW Items Listed on eBay. Schwinn Serial Numbers 1948-1951 Print, copy, or post anywhere you like. Serial numbers under the bottom bracket: ----- TDM means Tandem, WZ and S or S-10 mean Whizzer, CT or C mean Cycletruck. (1948) Date ...3 0 0. Feb 24, 2012. #12. Remove the front wheel and look for a stamp inside the left fork arm. Very tiny numbers. Something like 01+5 would indicate Jan '65 (or possibly '55, but the bike looks like a Typhoon middleweight so probably not a '55).Search for the topics you need help with. Search. Categories ... Where is the model number, date code or serial number of my bike? ... What's covered under my Schwinn warranty? Where to Buy. Visit our retail partners online or in-store. Easy Assembly. Be ready to ride in just a few easy steps. ...Re: Schwinn Serial Number Info Gunna need some info on the bike. That location, that orientation isn't going to be a Chicago frame of any year, but just a blind guess based on the color and the serial beginning with '3' I'm going to take a shot in the dark and say 1993 Sidewinder 20.predator serial number. i have a 85 or 86 schwinn predator the serial number cheat sheets confuse me could any one tell me what i got thank you. the right drop out g0586. the left drop out 6133456. Offline. Schwinn serial number search, Presumably from Japan. By the late 1970's Chicago began to make lug framed bicycles -- the Le Tour and Super Le Tour. By the mid '80's Le Tours and Super Le Tours were made at Greenville, Mississippi. p 221. My '81 Le Tour shows as yours does, on the seat post, made in Japan, but the head badge states "Schwinn Chicago"., I thought a clue to the head tube being serial number stamped flat is that the serial numbers are on one side of the tube. Not going past the welded butt joint. Another good point. So now the question is, when did the SN's first get stamped with this equipment in the 78 Reporter?, Keep the foot pedals clean and dry. • Keep at least 24" (0.6 m) on each side of the machine clear. This is the recommended safe distance for access and passage around and emergency dismounts from the machine. Keep third parties out of this space when machine is in use. • Do not over exert yourself during exercise., A bicycle's model number or serial number is a unique code engraved onto the bike's frame by the manufacturer for identification purposes. In most cases a bike's serial number will be a string of numeric digits, however, it's not uncommon to find a bicycle with an alphanumeric code as its model number. Photo Credited by Wikipedia Commons., The Schwinn Bicycle Company is an American company that develops, manufactures and markets bicycles under the eponymous brand name. The company was originally founded by Ignaz Schwinn (1860–1948) in Chicago in 1895. It became the dominant manufacturer of American bicycles through most of the 20th century. Schwinn first declared bankruptcy …, Some early frames were stamped with "I" & "J" numbers. If it has the thinner dropouts and that serial number, perhaps the stand fell victim to a fatal (to it anyway) bend, and was replaced with a non-tapered one. I have some documented "J" ones, and a few of the "B" & "C" ones from '46 on the list., New this year is optional Schwinn custom-designed Cruiser Carrier. Schwinn Deluxe Cruiser. Model CX7-6; Colors: Sky Blue, Black Sable, Spicy Chestnut. See the full 1981 Schwinn catalog. 1982. A Schwinn Cruiser is a ticket to fun - around town, at school, in street and sand. Men's frame sizes. High tech style and performance and a clasic …, Sep 20, 2023 · The location of your bike’s serial number would also depend on its age. For newer bikes, it’s located on the underside of the bottom bracket shell or near the cranks. Also, check your head tube and seat tube. But bikes built before the mid-1999 will have the serial number stamped on the drive-side dropout. , parts history serial numbers Vintage Schwinn Bikes Most models of Schwinn bikes have years of images and information via old catalogs, advertisements and Schwinn documentation. This site gathers and preserves such documentation. This page lists Schwinn bicycles models (sorted alphabetically) and links to their details., For instance, from 1960 to 1969, serial numbers were usually engraved on the right rear axle mount. While Schwinn bike models made between 1970 to 1979 have their serial numbers engraved on the lower head tube. Note: Schwinn bikes created after the 70s had the serial numbers engraved right on the bottom bracket. Serial Numbers (numbering system) , The serial number is for a Japan manucatured Schwinn. The serial number format is Bridgestone. "I" is for the ninth month (September) and the first digit, "6" is for the year of manufacture 1986. This matches somewhat with the headbadge date of day 022 (January) and year 7 (1987), which is supposed to be when the bicycle was assembled., A serial number may be found in one of these locations. Located on the frame plate, behind the transport wheels. Located on the bottom of the base frame (tilt machine to access). Located on the rear main frame arch, under the seat. Located on the mainframe column, at the bottom under the console., Take a look at the special diamond style lightweight frame, drop handlebars, Schwinn-Approved derailleur gears, dual position caliper brakes, Schwinn Twin-Stik gear shift controls-up front where they belong. ... (Chrome finish fenders available on Model number 144 extra cost.) Schwinn Varsity Sport for girl's 24" ... Resources | Serial numbers ..., Apr 8, 2020 · 1. Check the Serial Number. The obvious starting point to find the date a bike was made is the serial number. Serial numbers are stamped onto the bike during the manufacturing process. They are a useful tool in helping recover bikes after theft and also to establish the model. The good news is most bikes have them. , 1970 Schwinn Catalog. Original text and images of the 1970 Schwinn sales brochure. The text below, including the prices, are as written in 1970. ... Record the serial number of your bicycle in the space provided in your Owner's Manual and reatin this for your record., We found a very early Paramount – claimed to be a 1938-9 vintage – with serial number A545. Little is known about serial numbers for bikes built after World War II. Unfortunately, an office fire in 1948 destroyed the Paramount records. Numbers mostly followed a three-digit format – often but not necessarily with a “P” as the prefix ..., The serial numbers for Bobcat equipment is placed in several different locations on different types of machines, according to Bobcat. The Operation and Maintenance manual for each piece of equipment shows where the serial number tag is loca..., I have been searching for Schwinn BMX serial numbers from the late 1970`s to 1983 that are located on the BB. The Schwinn are normally on the lower LHS of the head bracket and this SN indicates when the frame was made. I have seen your serial number image for GR733640 that you posted showing it to be on the BB. GR = July 1980., The Schwinn-Approved Le Tour ten-speed is an original Schwinn design and is built overseas under the strictest supervision to maintain the high quality standards for which Schwinn is known. The Schwinn-Approved Le Tour is available in a selection of frame sizes to fit most adult size riders. Schwinn Approved LeTour (21" frame) Model LT1, 7. There is no universal registration of bike serial numbers. Even the number stamped on the frame doesn't necessarily mean much. Your best bet is to figure out the manufacture of the frame, and see if they have a lookup for it., The Schwinn Breeze. This page provides year by year images and info quoted from Schwinn catalogs for the Breeze from 1965 to 1983. 1965. An excellent value in a new budget-priced Schwinn lightweight with standard schwinn frame, Schwinn tubular rims 26" x 1 3/8" nylon sports touring tires, tourist handlebars and saddle., Vintage 19 84 Schwinn Fair Lady 2 0" Girls Bicycle Serial Number CV515427- March 1984 Tires- Vee Rubber Brand with checking Paint- Almost all Original- Fro nt Fender Re-Painted Schwinn grip set Schwinn Banana Seat This is a beautiful vintage bicycle that is a must to own., Replacement Elliptical 120 Volt AC Power Cord. $19.99. Replacement Resistance Pad for IC3 Bike. $11.99. Replacement Hardware Card for Ellipticals. $16.99. Replacement Hardware Card for Upright Bikes. $10.99. Replacement Hardware Card for Recumbent Bikes., Schwinn Fit-Tech Silicone Spray: recommended for the ® 1. Torque wrench w/ 8mm Allen Key socket: used to tighten the brake pads and all moving parts (e.g., handle bar post, seat... Page 6: Reading The Serial Number Reading the Serial Number Find the serial number on the underside of the machine base., Giant bikes have unique serial numbers that are stamped on the frame, underneath the bottom bracket shell. The numbers also appear on the seat tube, chain stays, and headset. These numbers can vary depending on the model year of your bike. However, the most common place to look for a serial number is on the frame., parts history serial numbers Vintage Schwinn Bikes Most models of Schwinn bikes have years of images and information via old catalogs, advertisements and Schwinn documentation. This site gathers and preserves such documentation. This page lists Schwinn bicycles models (sorted alphabetically) and links to their details., Oct 11, 2014 · Obi-Wan Schwinnobi. Riding a '38 Autocycle Deluxe. Oct 11, 2014. #3. 1946 series Hxxxxx Ixxxxx Jxxxxx A0xxxx (small type face) Bxxxxx. Cxxxxx (low number) Cxxxxx is probably a cusp number between 46 and 47. More on the 47 side. 1947 series Cxxxxx/Dxxxxx. , If you are not able to read the serial number, you can always use a serial number search tool. It searches a database of Schwinn bicycles and displays the information about the bike. This tool will work on Schwinn bikes made between 1948 and 1982, except for a few records that were lost in a factory fire in 1948., The seat width on Schwinn beach cruisers is around 10-12 inches wide. Look for the Serial Number. You can identify your Schwinn bicycle by using the Serial Number. The serial number will be located on the frame of your bike and may also be found in other places such as on the head tube or down tube. It will start with one letter …, Chrome plated fenders, Schwinn tubular rims, 20" x 1 3/4" Schwinn nylon whitewall tires, forged steel fork, one-piece crank. Colors: Red, sky blue. J35-7 20" Bantam, coaster brake.....$43.95; See the full 1967 Schwinn catalog. 1968. An easy-to-ride 20-inch model with patented Schwinn Cycle Aid training wheels. Schwinn Convertible Bikes, Schwinn Serial Numbers 1952-1969 Print, copy, or post anywhere you like., Schwinn serial number location 1952-1969. For bikes built from 1970-1982 the serial number is located on the head tube on the lower left hand side just above the bearing cup (Fig. 3). Fig 3. Schwinn serial number location 1970-1982. Starting in 1976 another four digit number is on the head badge itself which is a Julian date with the first ... , I believe the stamped serial number was when the actual Frame was made. If you think about it, the time to stamp the serial number is when you are making the Frame. The website I visit for Schwinn serial numbers has them listed per day, or every other day. If production was at 100%, I don't think a Frame would sit around the factory for too long.