Bicycles (except children's bicycles) are almost always required to have a frame or serial number. Some manufacturers use a date-code as part of the serial number. For example, a Brompton uses YYMMXXX as their serial code, so a Brompton with a serial number of was manufactured in 2013.06 or June 2013. Silver, gray or bare metal and White 2019 Giant Defy Advanced 2, serial: G818Z0647.
Enter your Schwinn serial number in the box and click 'find' to see what date and year your Schwinn bike was manufactured.
This tool searches a database of Schwinn serial numbers and if it finds a match to your serial number then it will display the information available for your bike.
Notes: This tool works for Schwinn bikes from 1948 to 1982. All serial number records before 1948 were lost in a factory fire.
Serial Number Location
The serial number can typically be found in one of three places on a Schwinn made bicycle.
- The headtube
- The rear dropout
- Underneath the bottom bracket shell
Note: The serial number will always be found on the actual frame of the bike. In other words, it will not be found on a bike component (like a handlebar or a pedal).
Example Numbers
Schwinn serial numbers commonly have one of three formats:
Giant Defy Serial Number To Find Agency
- All numbers
- One letter followed by numbers
- Two letters followed by numbers
Giant Defy Serial Number To Find Agenda
Here are some example numbers: 0465228 - F106791 - EB37868
What a serial number can tell you
The serial number on a Schwinn frame will tell you the date that frame was manufactured. It will not identify the model of the bike, only the year the frame itself was manufactured.
Schwinn Bikes > Serial Numbers