Visit your city’s Department of Public Safety to have your bike inspected and assigned a new serial number. However, if this is indeed the case, you may have a new serial number engraved. It’s highly unlikely that your bicycle was simply manufactured without a serial number. And if not, they can probably give you some advice on where to keep hunting. They’ll likely know where to check on your bicycle to help you find a serial number. Contact the shop you bought your bicycle from as they may have a copy of the invoice which could include your serial number.Įven if you didn’t purchase your bike from a local shop, give them a ring. It’s a magical place filled with adventure and hopefully some answers about your mysterious serial number. The bike serial number is usually on the underside of the bottom bracket. So all you have to do is turn your bike upside down and have a look. The bottom bracket is the part of the frame that the pedals go into. Time To Talk ShopĪh, the local bike shop. You can usually find the bike serial number on the under side of the bottom bracket. Pull that bad boy out and give it a gander as it just might be a detailed copy of your invoice. The serial number may be included on an insert found in a plastic sleeve taped to the front of the box where your address is located. Many manufacturers print the bike’s serial number somewhere on the packaging so they know which is which before they ship it. Schwinn serial number location 1952-1969 For bikes built from 1970-1982 the serial number is located on the head tube on the lower left hand side just above the bearing cup (Fig. Was your bicycle shipped to you? Do you still have the box it was shipped in? Great! Take a glimpse in and around the box. For bikes built from 1952-1969 the serial number is located on the rear drop out (where the axle comes through) (Fig. It’s likely you were sent an email when your payment was processed and the order acknowledgement includes a serial number. Visit your email and filter for your bike’s model, make, or shop name if you made an online purchase. Depending on where you bought your bike, your receipt or invoice may have the serial number printed on it.ĭid You Know That Some Bicycles Have Multiple Serial Numbers? If you’ve recently purchased your bicycle, or are really great at record-keeping, you likely have a receipt. Rest assured, there are still some other places to look. So you’ve checked your bike and the serial number is nowhere to be found.