Guide
Where is the serial number on a Cube bike?
On Cube bikes without a motor, the frame number is on the bottom bracket; on e-bikes (the Hybrid models), it is on the seat tube near the motor. That is what Cube says on its help page. Depending on the frame, it can also be on a silver sticker under the top tube or the down tube, or on the left chainstay. Write it down and photograph it before you need it.
By the destolen team · Reviewed on 27 October 2026.
Step by step
No motor: look under the bottom bracket
On classic Cube bikes without a motor, Cube says the frame number is on the bottom bracket. Lay the bike down or turn it over and look underneath.
E-bike: look at the seat tube by the motor
On Cube Hybrid bikes, the motor covers the bottom bracket, and Cube places the number on the seat tube near the motor. Look at the lower part of that tube, close to the motor.
Look for a silver sticker
Depending on the type of frame, Cube also puts the number on a silver sticker under the top tube or the down tube, or on the left chainstay (the tube from the bottom bracket to the rear wheel, on the side away from the chain).
Photograph it and register it
Take a close-up photo where the number can be read and another showing where it is on the frame, and keep them with the receipt. Register your Cube for free on destolen (up to 5 bikes) with the number and the photos: if it is stolen, you will have everything to hand for the police report.
Before buying a used one, check it
If you are buying a Cube second-hand, ask to see the number on the frame (not just in a photo) and type it into the destolen checker: it is free and you do not need an account. If it is reported stolen, do not buy it and tell the police. If it is not, that only means it does not appear in the sources checked.
Check a bike by its serial number
What Cube says
On its help page, Cube explains that on its classic bikes the frame number is on the bottom bracket and on its Hybrid models it is on the seat tube near the motor. It adds that, depending on the frame, it can also be on a silver sticker on the underside of the top tube or the down tube, or on the left chainstay.
Cube calls it the frame number («Rahmennummer» in German): it is the same thing the police and stolen bike registers ask for as the serial number.
If it is an e-bike, also note the motor and battery
On a Cube Hybrid, the motor and the battery have their own serial numbers, different from the frame number. Write them down too: if a stolen bike is taken apart, they are what identifies those parts.
If the number is worn off or you cannot find it
If it is your bike, look for it on the receipt or ask the Cube shop where you bought it, with your proof of purchase.
If you are buying a bike and the number has been filed off, scratched, painted over or the label has been torn off, do not buy it: it is a red flag. You can tell the police and give them the link to the listing.
Other brands
Frequently asked questions
Where is the frame number on a Cube e-bike?
According to Cube, on its Hybrid models it is on the seat tube near the motor. Depending on the frame, it can also be on a silver sticker under the top tube or the down tube, or on the left chainstay.
Are the frame number and the serial number the same?
Yes. Cube calls it the frame number; police reports and stolen bike registers ask for it as the frame serial number.
Sources checked on 27 October 2026
Have your bike's details ready
Register your bike for free with photos and serial number: if it is stolen, you will have everything at hand to report it and search for it. And before buying a used one, check its serial number.