This makes dating the components an interesting archeological investigation, but one not necessarily related to the date of the bike. Trek owner Larry Osborn made this observation, and suggested this as a supplementary way of dating a Trek and other bikes as well. Is it a result of Sugino subcontracting out the manufacture of some crank models at various times? The first letter represents the year and the second is the month, where A is January and L is December.
Morrow opened Bicycle Heaven in after running out of room for his collection at his Pittsburgh home. You can see it at the new Triumph Bicycle Museum. Mongoose - see answer bicycles. Request for Information This component dating discussion is a work in progress.
Many components are marked with size descriptors in addition to component manufacturer's date codes. By it had become widely used. Similarly, to learn about vintage bicycles, we ask questions of our elders in the hobby. Naturally, for information provided by others, such as for the Campagnolo and Williams codes, the original source should be cited. Inside this large room sit hundreds, if not thousands, of vintage bicycles.
Built in the s, these fiberglass bikes have a space age name and look, but only were ever made. Preliminary data indicate this code began in the late seventies and extended at least through the late eighties. How can I tell what year my bike was made? Why not just edit it into this answer or a community wiki answer? On rear derailleurs the code is stamped on the back side of the inner parallel arm.
Marque enthusiasts use records of shop ledgers that recorded dates sold and frame numbers, and then calculate the ages of other bicycles by comparing them with known frame numbers. Kirt Murray noticed a date code on the back of his Sachs-Huret Rival rear derailleur mounted on an Trek. Some bike parts have a date code cast or stamped into the piece. Reported by Tom Sustarich.
Take some time to admire this beautiful painting which features a cityscape scene and makes you almost feel like Bicycle Heaven is located along a quaint street in a small town. So this information may be authoritative, or it may be an indicator to be combined with other factors. Another area that I enjoyed was the Bike Tree. The date code is stamped or cast?
Giant Factory Off-Road Team
- Maillard used an open dating system for their hubs and pedals.
- On a vintage bike in excellent condition that apparently had a lonely existence in a garage all of the components likely are original.
- Maillard Hubs and Pedals Maillard used an open dating system for their hubs and pedals.
- Indexed and electronic shifting Style of shifters brifters, triggers, etc.
- Some of the other ones have been reverse-engineered by their rider communities.
Like many things, the shift to square tapered and splined brackets took some time so there were still some mainstream bike companies still using them in the early s. Tubing decals Reynolds, Columbus, etc. Catalogues were generally printed the year before the season indicated in a catalogue. However, a Gran Compe set of calipers had no markings.
Dates between and are available because Schwinn kept good records. That model was only sold in one particular year, but more often you'd get it to within a few years this way. Why does Sugino have so many codes? In fact, the shop is basically one large display collected by owner Craig Morrow. If you can help in any way by contributing to this research, please get in touch.
- Identifying an unknown bicycle is hard work.
- Schwinn Serial Numbers and Date Codes.
- From on, several different coding systems were used, from which the manufacture date and often the assembly date can be decifered.
- Take their info with a grain of salt though - some sellers may lie to increase the perceived value of a bike.
- Unfortunately, these hubs apparently have no date codes.
1. Bicycle Frame / Serial No Dating
Freewheel or Cassette Freehub If your bicycle uses a cassette freehub for the rear sprockets, then it was likely made in the late s or later. Bicycle tyre sizes are so confusing! This surprises many people.
Also gathered on this page are date codes decoded and generously provided by others. Insomnia is my saving grace, otherwise there would be no time for any of this. The Japanese Imperial Calendar may well be the basis for date codes on other Japanese components. Sugino has used at least six codes for their cranks.
X videos tiny
The Normandy Luxe Competition hubs we have seen have no stamped information, but were marked with gold or red stickers on their barrels. The two sets of Dia-Compe brake lever bodies I checked had the four-number date code stamped inside the lever body I couldn't find any markings on the levers themselves. The answer, in short, soldiers american is that I do not have time to tell you either. Please edit this question if you have an answer that isn't in the index above. There is a delay between the introduction of a technology such as indexed shifting and when manufacturers start selling products that use it.
It is assumed that the G is the production number. Plastic bicycle seats often have a date code molded into the underside of the plastic core of the seat. Huret front and rear derailleurs often have a four-digit date code. Of course, all this assumes the bike has the original component. Mongoose serial numbers are usually found stamped on the bottom of the bottom bracket.
Whenever a new emperor took the throne, a new era was officially declared. The number is the year of manufacture and the letter appears to be the month of manufacture. If you have confirmation of the date codes, or corrections or additions to the codes, please contact me. Following Ben's lead - I checked three sets of Dia-Compe G calipers and all have the four-digit date code on the back of one of the arms. Seatposts are marked with outside diameter, first also in mm.
Giant Factory Off-Road Team
If you like, use the web site translation function on the AltaVista. In some factories in China and India that are still working off old blueprints, cottered spindles may still be in use in the manufacture of new bikes. Most of his collection is hidden away in the back corner of the shop. Dutch bikes, trendy coffee cruisers, dating a and beach cruisers may be modern but appear to be s styling.
Schwinn Serial Numbers and Date Codes
The mark is made up of a circle with the first letter of the month in Italian or just a number around the edge, profile with the two-digit year code in the center. Few published their true production figures. Many did not use chronoligical sequences.