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Where is the frame number on a Cannondale bike?
Find your Cannondale bike serial number before you buy, sell or register it.
Find your Cannondale bike serial number before you buy, sell or register it.
Modern Cannondale bike serial numbers are usually on the underside of the frame, most often underneath the bottom bracket shell between the pedals. Cannondale says the bicycle serial number is normally shown on a barcode sticker. On Cannondale e-bikes with a mid-drive motor, the sticker may be behind the motor on the seat tube or in front of the motor on the down tube, depending on the model. Older Cannondale bikes can use different serial-number locations, so check the frame carefully if you cannot find the barcode sticker underneath.
That number matters. It helps you register the bike, check if it has been reported stolen, prove ownership, value it and sell it with more buyer confidence. Here is where to find it, how to read it, and how to check it before you buy.
Check a Cannondale frame number
Free, instant, no signup. Enter the number stamped on the frame to check it against a stolen-bike registry and rider-filed theft reports.
The serial number on a modern Cannondale bike is usually on a barcode sticker underneath the bottom bracket, between the pedals. Cannondale says it should be 7 characters long: 2 letters followed by 5 numbers. On mid-drive e-bikes, check behind the motor on the seat tube or in front of the motor on the down tube.
This is the most common place to find a Cannondale frame number. It is the part of the frame between the pedals, on the underside.
Make sure you copy the full number. A single missing or misread character can give the wrong result.
If the number is not under the bottom bracket, check these places next:
On older bikes, repainted frames and heavily used bikes, the number can be harder to read. If it has been scratched off, covered, filed down or looks tampered with, treat that as a serious warning sign.
Cannondale says the bike serial number is shown on a barcode sticker and uses a set format: 2 letters followed by 5 numbers, making 7 characters in total. The barcode uses vertical lines only, not a QR code. Do not use other down-tube stickers if they carry different number formats or QR codes, as those are not the bike serial number.
Do not use the model name, tyre size, barcode on a shop label, or any number printed on a component. The frame number belongs to the bike frame itself. For example, these are not usually the frame number:
The number you want is the unique frame code that belongs to the frame itself.
Cannondale is unusually specific about the serial format. On modern bikes the number should be a 7-character code made from 2 letters and 5 numbers, next to a vertical-line barcode.
Cannondale Lefty forks have their own serial number, but that is not the same as the bike frame number. For stolen-bike checks, insurance and proof of ownership, use the bicycle serial number on the frame.
A frame number is one of the most useful details on a used bike. It connects a Cannondale to its owner, its registration record and any stolen-bike reports.
You may need it to:
If you own a Cannondale, take a photo of the frame number and keep it with your receipt. If the bike is ever stolen, that detail can make a real difference.
A clean-looking bike is not always a safe buy. Before you pay, ask the seller for a clear photo of the frame number and check it against stolen-bike records. You should also ask for:
Red flag. Be careful if the seller refuses to show the frame number, says they cannot find it, gives only a partial code, or pressures you to pay quickly. A genuine seller should understand why you are checking.
Found the number? Run a free stolen-bike check before you buy. Enter the Cannondale frame number into the checker and look for any matching reports. It only takes a moment, and it can help you avoid buying a bike with a bad history. If the bike looks clear, you can also value it and compare similar Cannondale bikes for sale.
Report it as soon as possible. You will usually need the frame number, photos, make, model, colour, size, location and any unique marks or upgrades.
Include anything distinctive, such as upgraded wheels, unusual tyres, scratches, stickers, lights, mudguards, racks or replacement parts. The more detail you provide, the easier it is to identify the bike if it appears for sale.
On most modern Cannondale Synapse bikes, check the barcode sticker underneath the bottom bracket shell between the pedals.
On most modern SuperSix EVO bikes, the serial number is usually on a barcode sticker under the bottom bracket. Do not confuse it with QR codes or other labels.
On most Cannondale CAAD bikes, start underneath the bottom bracket. Older CAAD frames may use different placements, so check the frame carefully if the sticker is not there.
On most Cannondale Topstone gravel bikes, check underneath the bottom bracket first. Look for the 7-character barcode sticker.
On most Cannondale Trail mountain bikes, the serial number is usually underneath the bottom bracket. Clean the area first, as mud can hide the sticker.
On Cannondale mid-drive e-bikes such as the Moterra, check behind the motor on the seat tube or in front of the motor on the down tube, as well as around the bottom bracket area.
No. A Cannondale Lefty fork can have its own serial number. That is separate from the bike frame serial number.
Ask for the original receipt, registration record and dealer paperwork. If you are buying used and the seller cannot prove ownership, treat the missing serial sticker as a serious warning sign.
Looking for another brand? See the full bike frame number guide.
The quickest place to find a Cannondale frame number is underneath the bike, near the pedals. Look for a stamped code or barcode sticker, copy the full number, then check it before you buy, sell or register the bike. A used Cannondale can be a brilliant buy, but the frame number is the detail that protects you.
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Bike frame number guide · What bike is this? · What you can check on a used bike · Buying a used bike safely · Cannondale bikes
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Last reviewed by the Cyclesite editorial team. Published by Cyclesite, Companies House No. 13238473.