No idea why vintage Treks, Raleighs, etc. After the company was sold to Service Cycle, it seems all frame production was moved to Tiawan. I've seen bikes with numbers on the head tube and on the rear dropout. Not only do I have a full-time job I run my own business restoring and selling vintage vehicles and am a hands-on parent of a young child, but I spend a minimum 30 hours every week building, updating and maintaining these free websites to help you do your own research. To say the least I have stumped myself well and truly and am looking for some assistance.
If the number has six digits the frame was probably made in the 1960s, seven digits in the 1970s. The driver insisted he had the right to park wherever he liked. They only had one paint scheme per model per year and that is in the '87 catalog. Some frames where made by one company and badged as several, but you can likely figure out the frame maker anyway. Otherwise, you might accidentally misidentify your Raleigh bicycle. Most builders also stamped the frame number on the steerer tube of the front forks — but you may not wish to strip the machine down for this and in any case the forks may have been changed over the years. In these cases examination of the frame number — where it is, what it is, and how it is, may be of some assistance at least in allowing other specialists to hazard a guess at the true origin of the frame or machine.
Even original owners have a hard time remembering the year that they purchased the bicycle. Vintage motorcycle tyres are logical, those for cycles are not. I think you have now also narrowed the years to 1979 - 1983. Por la gracia de Dios. Some Taiwanese built by Giant Schwinns have a date code on the right rear axle hanger or on the bottom bracket shell in the format 'Gmmyy'. In order to be a prefix or suffix in this instance there should be a space between the number and the pre or suffix part, ot perhaps they are on a different line. Someone bought the bike downtown, and then searched the serial number on the Bike Index.
These and the more common Murray bikes may be badged as Free Spirits. I think you might have the numbers wrong. Start with the following input as being known: FrameNumber - a variable number of digits; Prefix - as per the list of possible prefixes you have provided incl. That'll help ensure that thieves have a harder time selling your bike if it's stolen, and give the cops some ammo if they have to go looking for your missing ride. Do you have any information on this bike? Now I know that I696909 was a 1980 model. Hobbyists, by definition, are eccentric myself included : put more than one in a room together and the outcome is unpredictable.
Thanks, I've got a Spaceliner that I think is a '64 after looking at old Sears catalogs. We're off to a good start. But it might be Month January of Year 0. In the example serial number, 1827 means it was the 1827th frame from that factory that calendar year. It's a vibrant orange and does not appear to have been repainted. I am always searching the web sites for anything similar and have had no luck finding a bicycle like mine.
Is the welder always identified by a single letter? Hopefully it never comes down to that, but if it does you'll be happy you've got all the important bits written down. Regardless, it is here, and it will stay. Using this logic, Y9201937 might actually have been made in February of 1980, but was a part of the 1979 production run. The company had been taking steps to make it harder for makers of cheap bicycles to copy Raleigh parts. The 1970 Super Sports with Huret dropouts seem to have used a two digit year 'C70204' -- March, 1970, 204th frame. Can you post pics of your bike? Now you could possible have an idea why I have been tearing my hair out!!! My guess is that either the badge was put afterwards or the fork is from a different model.
I cannot read the catalog specs on the Miyatacatalog page. I have a 1987 Miyata 912 which has O as the fist number in the serial but based on your serial number formula it would be a 1986. The next part of the serial number is eight numeric digits. If you have a bike with the number 092, that could also be Sept 1972. The author would be grateful to know of any inaccuracies and to receive further information to make the tables more comprehensive.
The system consists of a seven-digit serial - beginning with 1000000 in 1963 - running up to the 4600000- 4800000 range by 1969, at which point, it was discontinued. It will not identify the model of the bike, only the year the frame itself was manufactured. I am afraid I don't follow this fully. Handlebars, cranks, forks, pedals, tires, hubs, stems, rims, and sometimes even bearings can give up date codes to help determine what it is you have found. Most of these bikes up until the early 60's had the serial number stamped on the bottom of the bottom bracket. This excludes bikes built for Sears and Gambles Hiawatha.
We haven't ridden them in years and want to get them cleaned up to ride again. Everything else should be very easy unless I am missing something again. Locating the Serial Number 1960 - 1969 Chicago built Schwinn serial numbers are found on the left rear axle-hanger or fork-end on the frame. This feature carried over for the first few years till the ashtabula forks were replaced with the more rounder style Tange made forks. Everything about the big is flawless, even the vintage SanMarco leather saddle.