Cannondale bikes will display the serial number on the underside of the frame. It'll be next to a bar code. Source: Cannondale registration pgae. I was wondering if the serial number can be found somewhere else on the frame in case of a missing sticker. I have seen it stamped below the bottom bracket in other brands' aluminum frames, but not.. You can find the bike serial number on the underside of the bicycle frame, near the bottom bracket. Look for a sticker containing a barcode. This sticker will also contain a string of letters and numbers, many beginning with WTU. Can you look up a bike serial number? Most bicycle serial numbers are located under the bottom bracket where the two.
Identify the 1986 to 1992 series serial numbers. Cannondale used two different formats for dating bikes during this series combining frame size, manufacture date, and sequence number for one version.. Identify the serial number for bikes manufactured in 2000 or 2001. The letter will be on the lower right corner of the serial number plate. L.. Modern Cannondale bikes feature the bicycle's serial number on the underside of the frame, most often it is on the underside of the bottom bracket shell (in between the pedals). The bicycle's serial number is on a barcode sticker and should look exactly like below: 2 letters + 5 numbers = 7 characters total