We treat all these numbers the same way - a search for 005LLL will match a bike with the serial OOS111.

Certain numbers and letters are difficult or impossible to distinguish between (e.g.

We've done a few things to make it more likely that you'll find the bike you're looking for.

When searching for a serial number, use our serial search bar - it's the second bar on our search form. Hopefully you can find the serial number on the bicycle you're looking at - email if you're having trouble.įinding bicycles by serial number on Bike Index is a critical part of our functionality.

When adding a bike to the Index, it's best to enter all the groups of numbers and letters separated by spaces. On older Schwinns there are numbers stamped on both the drive side and non-drive side rear dropouts the one on the non-drive side dropout is the serial number. Some BMX bikes and a few Schwinn bicycles place the serial on the rear dropout. Some Schwinn bicycles also have the unique identifying number (their serial number) on the head tube.Ī serial number located on a rear dropout. Rad Power bikes have their serial number on the head tube. The bottom bracket (where serial numbers are typically located) is circled.Ī serial number on the underside of a bottom bracket.Īnother serial number beneath the bottom bracket, aligned parallel to the frame. Here are some examples of where and what to look for:

Most bicycles have their serial number engraved beneath their bottom bracket, but sometimes serial numbers are found in other places.

Giant bicycle serial number