You can prove that bicycle belongs to you by registering your bicycle with it’s serial number. You can use the bike serial number to register your bike at a bicycle registery such as or with the local police precinct. Why is the bike’s serial number important? The barcoded serial number is different than a frame number in that it’s used by the manufacturer to verify warranties.

Some bike manufacturers also include a barcoded serial number on a sticker that is placed onto the bike. They’re usually referred to as a bicycle serial number, but also at times called a “frame number.” They are stamped onto the frame of a bike and range from 6 to 10 digits long. Most (but not all) bicycles have a serial number. On the front of the bike on the headset.Flip your bike upside down and the serial number is under the bottom bracket.The photo below has arrows that are pointing to each potential serial number location. The majority of bike serial numbers can be found in the following locations on your bike.

Bridgestone bicycles serial numbers