Later Schwinnserial numbers / years made
Bicyclesfrom Japan made in the 70’s have a production month letter in either the first orsecond position and a production year number in the other (first orsecond) position. Examples J677123 = September, 1976, 6J77123 =September, 1976.
During the 1980s, Greenville used the old letter-digit
(e.g. F8 = June 1988)system whichChicago abandoned in 1965,
when it changed to the two-letter system.
(e.g. F8 = June 1988)system which
when it changed to the two-letter system.
THIS CHART APPLIES TO CHICAGO SCHWINN`S ONLY. LOCATION OF SERIAL NUMBERS ON THE FRAME: SERIAL NUMBERS ARE FOUND UNDER BOTTOM BRACKET (On The Bottom Of The Frame, Under The Pedal Crank Housing) - TDM = Tandem.-WZ and S or S-10 = Whizzer.- CT or C = Cycletruck. ( 1948 ) Date - Serial #`s From - To. Welcome to Schwinn! Since 1898 we've created the very best in bicycles and continue this legacy today. But beyond making men's and women's road, mountain, hybrid bikes and bicycles for kids, we make memories. Build your own lasting memories with a Schwinn.
Some Taiwanese (built byGiant) Schwinns have a datecode (on the right rear axle hanger or on the bottom bracket shell) in theformat 'Gmmyy'. The letter 'G' followed bya two-digit month code (01 = January etc.) and two more digits for theproduction year (81 = 1981 etc.). An example would be 'G0181' and equates to'Giant, January, 1981'.
On bikes made after 1982:
You can find a 4 digit serial number lightly stamped onto theheadbadge .
The first three digits are the numerical day of the year,
and the last digit is the last digit of the year.
You can find a 4 digit serial number lightly stamped onto the
The first three digits are the numerical day of the year,
and the last digit is the last digit of the year.
EXAMPLE:
3654 is 12/31/84 or 94 or? you determine decade.
3654 is 12/31/84 or 94 or? you determine decade.
Generally the 4 digits onthe headbadge breakdownas follows: First 3 are the date of build 1 thru365, the 4th (last digit) is the last number in the year. So '0'probably stands for 1990. If you are not sure which decade the bike is from,check the parts and graphics on the bike to the pictures in the catalog pages.
Schwinn Chicago Serial Numbers Number
Most Paramount serial numbers would start with a letter and then 2 to 5 numbers. My 1974 forexample is A74149 or the 149th frame from January (A) 1974 (74). Roger