Campagnolo dating codes

The number is the year of manufacture and the letter appears to be the month of manufacture.

If you know of other components that are marked or coded that can be added to this list, please let me know.

SR (Sakae) Below the insertion mark on SR seatposts (and Sakae posts) is a stamped mark, such as F-84.

For example, the back of cranks are usually marked with crank arm length in mm, typically in the range of 165 to 185.

Seatposts are marked with outside diameter, also in mm.

For Treks, the SR date markings are especially important.

Virtually all of the Treks not equipped with Campagnolo or Shimano Dura-Ace components, started life with some grade of SR seatpost and may also have SR stems, bars or cranks.Other manufacturers of bicycle components have date marks on their pieces.Unfortunately, many of these are coded, and require some additional knowledge to understand the code.This clearly is when the component was made and not when the bike was made, but unless the component or bike manufacturer had lots of stock lying around in inventory, the date should be a fairly good indication of the year of the bike.At least it would be the earliest date that the bike could have been made.The date of manufacture of a bicycle's components can often be used to determine the date of manufacture of the bike itself.

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