Serial numbers

All bikes 1 all have unique serial numbers.

Most bicycles have their serial number engraved beneath their bottom bracket, but sometimes serial numbers are found in other places. Here are some examples of where and what to look for:

Hopefully you can find the serial number on the bicycle you're looking at, email if you're having trouble.

  1. Okay, fine, so maybe there are a few bikes without serial numbers, but this is rare and typical only on hand made bikes or really old bicycles.
  2. In this picture 200910427-2A is a manufacturer number and not a serial number. However, to make bikes as easy as possible to find, we'd love it if you entered all numbers you encounter.