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.
GT bicycles must be registered on gtbicycles.com or in person by a GT Retailer in order to activate the lifetime frame warranty described below. Frames, excluding those listed below: Lifetime of the original owner. Frames of Gravity, Freeride, Downhill, Dirt Jump and other ASTM Category Five Bicycles: Three years from original retail purchase. Serial numbers for all Suzuki models over the period 1971-1994 from Suzuki Service Bulletins. Back to the menu. From the serial number list, the number of Trek frames or bikes made by Merida late in 86 totaled at least 8251. Merida is a Taiwanese bike company that was established in 1972. It is currently a major, worldwide player in the bicycle business. Gt Bike Serial Number Decoder Download For new-school GT BMX bikes built through most of the 2000’s with a serial number that begins with 5 letters. The 4th letter corresponds to the year of manufacture and follows on from the mid-school serial numbers. 2001-2010 – 5 letters at beginning, 4th is year.

Serial Number Location
GT Serial Numbers - BMXmuseum. Here is an email I got from an actual employee of GT: If the bike frame was manufactured at the Santa Ana CA facility, the first three or four digits of the serial number should be letters abbreviating the model or size of the frame such as. The next part of the serial number is eight numeric digits.
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:
- All numbers
- One letter followed by numbers
- Two letters followed by numbers
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.

Gt Bicycle Serial Number Decoder
Schwinn Bikes > Serial Numbers
Gt Bike Serial Number Decoder
1971 JT1 | Desert Orange | JT1-000101 to 041708 |
1971 JT1L | Desert Orange | JT1-200101 to 209805 + |
1972 JT2 | Mandarin Orange | JT1-300101 to 330000 |
1972 JT2MX | Competition Yellow | JT1- 050101 to 071150 |
1973 GT1 | Competition Yellow | 393-000101 to 025690 |
1973 GTMX | Grape | 367-000101 to 017860 |
1974 GT80A | Brilliant Red | 393-100101 to 117240 |
1974 GTMXA | Competition Yellow | 367-100101 to 110730 |
1975 GT80B | Competition Yellow | 393-210101 to 214420 |
1975 GTMXB | White W/Competition Yellow | 367-200101 to 210390 |
1976 GT80C | Competition Yellow | 393-250101 to 253100 |
1976 GTMXC | Clean White | 367-230101 to 236100 |
1977 GTMXD | Crystal Silver | 367-300101 to 303100 |
1978 GT80E | Crystal Silver | 2F4-000101 to 013780 |
1978 GTMXE | Competition Yellow | 367-4000101 to 413760 |
1979 GT80F | Crystal Silver | 2F4-100101 to 112110 |
1979 GTMXF | Chappy Red | 367-500101 to 517120 |
1980 GT80G | Maxim Red | 3J8-000101 to N/A |
1980 MX80G | Clean White | 367-600101 to N/A |
1981 GT80H | Chappy Red | 3J8-100101 to 102361 |
1981 MX80H | Clean White | 367-650101 to N/A |
