LeTour) numbers (1978) include the letter "S" with a letter for the month of productionĪnd a single digit for the year of production (8 = 1978). An example wouldīe 'G0680' and equates to "Giant, June, 1980".
BICYCLE SERIAL NUMBER CHART CODE
The letter "G" followed by a two-digit month code (01 = JanuaryĮtc.) and two more digits for the production year (80 = 1980 etc.). Have a date code (on the right rear axle hanger or on the bottom bracket shell) Work for January back to a previous year. Year of the remainder of the production for that model - 1980. Physical year of production, for example 'X9' - December of 1979, with the model
Some Japanese bikes may haveĪn 'X' in the month position of the frame serial number. Was adopted for Schwinn's domestic production in 1976. Or 1986 - use decals and components to determine the decade). Ordinal day and the last digit of the year (2456 decodes to the 245th day of 1976 Will have a 4-digit stamping that represents the assembly date and consists of the For some Japanese built Schwinns the headbadge Or second position and a production year number in the other (first or second) position.Įxamples: J677123 = September, 1976. The number will have a production month letter in either the first On the left, rear axle hanger, on the bottom bracket shell or on the lower section
BICYCLE SERIAL NUMBER CHART SERIAL NUMBERS
Bicycles from Japan will have Serial Numbers located Serial Numbers on the left rear axle hanger and began with an 'S', followed by the The 1979 Chicago built Le Tour and Super Le Tour models had their With Huret dropouts seem to have used a two digit year ('C70204' - March, 1970,Ģ04th frame). 'K6018' is the 18th frame built in October of 1966). "I" and "O"], the last digit of the year and a 3-digit sequential build number -Į.g. Rear axle hanger and consist of a single letter code for the month [again, skip Super Sports and 1968 S/S Tourers (whose Serial Numbers are located on the left Note: This scheme is forĪll Chicago built non-Paramount models excluding 1962-1963 Superiors, 1964-1969 Letters "I" and "O" as they looked too much like numbers.
If letters were used for date codes, they skipped the 1979 A=1965, B=1966, etc.), followed by a sequential series of five or six digits (actually, this begins in April of 1970).Ī letter representing the month of manufacture, a number indicating the last digit Left rear axle-hanger or fork-end on the frame for the years 1970 - 1979 (Chicagoīuilt) they are on the headtube of the frame where the fork enters from the bottom Schwinn Lightweight Data Book (Serial Numbers)Ĭhicago built Schwinn Serial Numbers for the years 1960 - 1969 are found on the
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