You know what they say: prevention is better than cure. The first system consists of 7 digits, beginning with 1000000. The Taiwanese company Sunrace bought the equipment, stock and rights to the name and is back in business. If it’s scratched or filed out, this is a red flag that the bike could’ve been stolen and the thief wanted to try to erase the number. Try to check the headset, the rear stays, the seat downtube (next to the crank), and the top of the crank, as these are common places for a serial number to be put. It seems like the original craigslist poster thought this was a Raleigh super course. EXCEPTIONS: Evidence indicates that a handful of '70-'71 frames - or their lugs, depending on when the stamping was done - may not have been released from the factory until 1973, and were consequently decaled as 1973 models. Something that’s important to bear in mind is that some bike thieves don’t steal a bike in order to use it themselves or sell it as a whole. Your serial number is very important to check on your bike and keep somewhere handy in case your bike goes missing because photos of your bike just aren’t enough in the event that you need to track down your beloved bicycle. If you want to track down your bike, you’ll have much better success by being able to provide the bike’s serial number to organizations that track down stolen bikes and to your local police. I have so much more information and detail that isn’t yet on the blog so please always check back, I update it regularly. Raleigh Frame Numbers 1973 Onward. Having it’s serial number is not only important to help you when contacting organizations and the police because they’ll be able to track down the bike according to its unique serial number, but it can also help you do some detective work of your own. This alphabet indicates the fortnight in which the frame was built (i.e. Hopefully you found what you were looking for or at least found something interesting. 1967: B, followed by four numerals Would you like to try it too? In other words, though not all bicycles are represented with an on line serial number data base, some are. The price of the bike seems too good to be true. By 1961/62, an additional-single letter suffix was added, presumably as an identifier of the factory the frame was produced, for every single example I've seen is represented by the letter "N," which is not unreasonable to assume stands for Nottingham. There are websites, such as Bike Index, that make it their mission to help bike owners locate their stolen bikes. Men's models will have the stamping on the top of the lug, ladies' frames will have the serial stamped to the front of the lug.