However, the meaning of the digits appears to be the same as above. If you know of other components that are marked or coded that can be added to this list, city please let me know. Some were made from all Reynolds tubing.
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. This would appear to be an open date of - January. It is also supremely comfortable. Why does Sugino have so many codes?
Now that saddle came from the era when they had a pride in their product. On a vintage bike in excellent condition that apparently had a lonely existence in a garage all of the components likely are original. Seatposts made by Strong typically have a two-digit numerical year date stamped into the post below the insertion mark. The first two digits are the week of the year.
The copper rivets of the generation before were dropped in favor of chromed steel rivets. Until the late s metal loops were fitted within the leather at the rear of the saddle. This nice piece of detective work means that if a Shimano or other date code seems to provide the wrong year, look carefully to see if another manufacturer might have made the part. We are trying to sort out the manufacturer's date code on Nitto handlebars and stems. If you have a stem with a code, and know the year of the bike on which it came or the date it was bought, please let me know.
Especially useful, and challenging to sort out and verify, was the Shimano code. Please note that the saddle top has been replaced on this example. Whenever a new emperor took the throne, a new era was officially declared. There are date codes on some Nitto stems. The last two digits indicate the year.
- Plastic bicycle seats often have a date code molded into the underside of the plastic core of the seat.
- On rear derailleurs the code is stamped on the back side of the inner parallel arm.
- On at least some rear derailleurs the date code is stamped on the inner face of the outer part of the cage.
- If you have Nitto bars for which you know the year, please send me skip skipechert.
Brooks B17 saddle
Unlike later badges, this example appears die cut. This code was used on hubs that were stamped incised with information on their barrels. On front derailleurs it is stamped on the back side of the inner cage. As the wear on a vintage bike increases, the greater the likelihood components are not original, either through replacement of worn parts or through component swaps.
The plastic and metal badges have noticably larger rivets in comparison to the brass examples - these larger rivets remain the norm on Brooks badges today. It provides a rough way to date a Brooks saddle. The Evolution of Brooks Saddle Badges First, let it be said that this is by no means a definite list, nor is it complete or necessarily of perfect accuracy. The saddles are still made in England, but the current badge no longer says so.
The Swallow was the same width as the Narrow but had cutaway sides in order it was claimed to allow for more rider leg movement. Reported by Tom Sustarich. The codes appear on the inside face of each crank arm.
Most early Treks through about were sold as framesets. 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. New components often were used. The plastic badges, riveted to the pliable vinyl, were known for snapping at the rivet hole at one end to ultimately swing on the remaing rivet until breaking off completely. The following information was provided by Tony Colegrave, Brooks expert, saddle repairman, and custom leather saddle fabricator.
Your old one looks nice on the Riv. Other manufacturers of bicycle components have date marks on their pieces. It had made a brief appearance in the catalogue but it does not appear to become established in the range before the s. The code is stamped near the center of the hub body.
The Retrogrouch My New Old Brooks
These could be the in-between years of transition between the Showa and Western calendar. Nitto We are trying to sort out the manufacturer's date code on Nitto handlebars and stems. This seems to mesh with the derailleur codes above. Normandy used a date code system similar to the one used by Maillard. He thought all Shimano components use a common code.
The Evolution of Brooks Saddle Badges
See the Williams components dating information provided by Hiliary Stone and shown on the Classic Rendezvous web site. This form was used first in to differentiate it from the s code. The number is the year of manufacture and the letter appears to be the month of manufacture. Badge shown in photo comes from unknown-date saddle. Feel free to quote small parts of the information on this page, shana but copyright law requires Vintage-Trek.
- Request for Information This component dating discussion is a work in progress.
- The code is on the outer flange or the center shaft of hubs, on the backside of crank arms, below the insertion mark on at least some seatposts, and on chainwheels.
- This was similar to how many riders were already modifying their saddles.
- This one is on my Rivendell Long-Low.
- This code was used on Mighty Comp models.
- Plastic versions were generally fitted on the lower-end leather saddles off and on - I've seen one on a B.
Brooks saddle dating - Everyday Dating Blog
This is a rough draft of what I've noted from collecting these saddles myself, and should be used as a general guide, nothing more. So i am looking at getting an old one re-done by a saddler here in Australia, who specialises in fixing worn out saddles. Maillard used an open dating system for their hubs and pedals. Maillard Hubs and Pedals Maillard used an open dating system for their hubs and pedals.
Preliminary data indicate this code began in the late seventies and extended at least through the late eighties. Naturally, for information provided by others, such as for the Campagnolo and Williams codes, the original source should be cited. On some models there may also be another date code on back of lever's tip. The date of manufacture of a bicycle's components can often be used to determine the date of manufacture of the bike itself.
Is it a result of Sugino subcontracting out the manufacture of some crank models at various times? Others have reported the same. Huret front and rear derailleurs often have a four-digit date code. Could the C indicate rear model and the R front? Many components are marked with size descriptors in addition to component manufacturer's date codes.
Brooks B17 saddle
Also gathered on this page are date codes decoded and generously provided by others. This would appear to follow the method used by Shimano, free over where the G indicates and the C indicates March. Sansin and Sunshine hubs were made by the same company.
The Japanese Imperial Calendar may well be the basis for date codes on other Japanese components. The date codes each covered a period of three months i. This numeral may indicate the facility where the component was made. Apparently, extremely low standards dating these badges are prone to the letters wearing off.
Unfortunately, these hubs apparently have no date codes. Seatposts are marked with outside diameter, also in mm. There are both obvious and subtle similarities between the earlier Superbe cranks and the concurrent Super Mighty Suginos.