The location of our frame serial numbers will be on the top of the seat tube facing to the rear of the bicycle. This does not apply to models with 531 seat tubes which will be numbered under the bottom bracket. Markings show the source of manufacture, approximate date of manufacture and unique number of each frame manufactured in any 10 year cycle.
Size of letters and numbers 3/16" high, to match diameter of tubes. The complete stamp contains nine digits.
FIRST SYMBOL Denotes Location of Manufacture
| Symbol | Location |
|---|---|
| N | Nottingham |
| W | Worksop (Carlton) |
| E | Enid (USA) |
| G | Gazelle (Holland) |
| M | Malaysia |
| R | Canada |
| D | Irish Raleigh |
| H | Handsworth (UK) |
SECOND SYMBOL Denotes Month of Manufacture
| Symbol | Month |
|---|---|
| A | January |
| B | February |
| D | March |
| E | April |
| G | May |
| H | June |
| K | July |
| L | August |
| M | September |
| N | October |
| P | November |
| S | December |
THIRD SYMBOL Denotes year of manufacture. Digits 0 to 9
3 for 1973 - 4 for 1974 - 5 for 1975 - 5 for 1985
This system accepts that duplication after ten years will occur.
Up to 6 digits remaining: 000000 to 999999 depending on quantity manufactured per month at any particular location.