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EXCEPTION: This system is NOT to be confused with the seat-tube system which replaced it in 1970; which ran until 1973.

Numbers At present, I have insufficent information about the serial numbers from this era to construct a definite chart of every example used during this time period. I have uncovered two of them to a reasonable extent; both of which ran concurrently to each other during this time period: The first system consists of 7 digits, beginning with 1000000.

This system follows a similar pattern to Convention #2 above, and uses a prefix or suffic of "RA" or "RB," followed by 4 or 5 digits, but never exceeding 5.

If your Raleigh is equipped with a Sturmey-Archer rear hub that you suspect has not been been changed, check the date code on the hub's shell as well for additional verification.

Please do not repost the serial charts below elsewhere.

The entirety of the second serial chart is of our own research and are estimates - as accurate we can practically make them - of the serial numbers from the year and serial in question.

In addition to the two serial types above, a third system appears to have been established in 1955, or at the earliest, 1954; terminating in the early-mid '60s - the most recent example I have on hand is from 1962, though I suspect the official cutoff may date to 1963 or '64.

4-5 digits followed by two letters (or, for the 28"-wheel models, two letters followed by 4-5 digits).

e.g.: "12345AB," or "AB12345." Serial "rolls over" when numerals are used up - without rhyme or reason relating to month or year - in the same fashion as an odometer.However, feel free to link to this page if you wish to make reference to the chart.Serials stamped on side of seat lug (men's), front of seat lug (ladies', not shown), or bottom bracket (men's and ladies,' not shown), positioning of serial has no relation to serial system - there does not appear to be rhyme or reason relating to positioning. 6 digits followed by the letter "P" or "T." "P" serials used until and during 1950.One may assume that "RA" serial numbers began with "RA00001" (or RA1000), and continue until "RA 99999 N," at which point the system was reset to "RB 00001 N" (or RB 10000 N).This seems to have happened around 1962, and it is reasonable to assume that all "RB" symbols represent bikes produced post-1961.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.

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