Protect your bike and cycling gear with a QR tag

Bicycle theft is one of the most common property crimes in Finland. A QR sticker gives a finder a way to return a bike or accessory to its owner.

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Who is this for?

In Finland, cycling is both everyday transportation and a popular hobby. During the cycling season, Finns ride millions of kilometres, and the number of bicycles in households is estimated at over three million. Cycling has grown in popularity especially in cities, where city bike systems and expanding cycle networks have brought new riders into traffic.

Commuter cyclists use their bikes daily between home and work. Bikes are parked at workplaces, train stations or shopping centre racks, often unattended for hours. Hobby cyclists invest in expensive road and mountain bikes that can be worth thousands of euros. The rise of e-bikes has pushed the average bicycle value even higher: an e-bike typically costs 1,500 to 5,000 euros.

Police received reports of 16,364 bicycle thefts in 2023. This figure covers only reported cases, and the actual number is estimated to be significantly higher because many people do not bother filing a report. Bicycle thefts concentrate in city centres, around train stations and at school and university grounds.

Beyond the bike itself, accessories also go missing. Lights, pumps, bags and tools are left along cycle paths or forgotten at service stations. A cycling helmet might be left on a cafe chair or at a workplace coat rack. A bike lock key disappears from a pocket.

The problem is often the same as with other lost items: a finder would like to return the item but does not know who it belongs to. A bike left at a rack whose owner does not collect it for days may eventually be scrapped or stored without the owner ever being reached.

Typical loss scenarios

Bike stolen from a rack

A bike disappears from a train station or workplace rack. The lock is broken and the bike is gone. Without identifying information, police struggle to match a recovered bike to its rightful owner.

Cycling accessories left behind after a ride

Lights, a pump or a bag are left at a rest stop or along a cycle path. When you return they are gone, and the finder has no idea who they belong to.

Bike lost or moved at a large event or festival

At a big event, hundreds of bikes share the same racks. After the event your bike is gone or has been relocated by organisers to an unknown spot.

E-bike stolen from a garage or storage room

An e-bike disappears from a housing association bike storage or garage. Losing a valuable e-bike is a significant financial blow, and without identification the chance of recovery is low.

What should you protect?

Bicycle

The most commonly stolen item in Finland. A QR sticker aids identification after recovery.

Headphones

Many cyclists use headphones while riding. They are easily forgotten at cafes or rest stops.

Bag

Panniers and backpacks are often detached and left separately. Without a label they disappear.

Keys

A bike lock key is small and slips out of pockets easily. Losing it can mean replacing the lock.

How does Kadonneet help?

A QR sticker on a bike frame is a simple and effective way to connect a recovered bicycle with its owner. When a bike is found at a rack, on the street or after ending up with the police, the finder or authorities can scan the code and reach a contact form. The owner receives an email notification and can respond.

Police recover a large number of bicycles every year that cannot be matched to their owners. A QR sticker provides a fast identification channel that requires no separate app or registry lookup.

Labelling accessories is also worthwhile. If you label lights, a bag or a helmet, each found item can be returned to the right owner.

The sticker withstands Finnish weather conditions year-round, including rain, snow and sunlight.

Frequently asked questions

Where should I place the sticker on my bicycle?
The best spot is the down tube, where the sticker is protected but easy to scan. Avoid locations with constant abrasion, such as near the pedals.
Does the sticker survive outdoor conditions year-round?
Stickers are designed for outdoor durability. They withstand rain, snow, frost and UV light. Under normal use, a sticker remains readable for several years.
Can the police use the QR code?
Yes. Police can scan the code just like any other finder. The code leads to a contact form through which the owner can be notified about the bike being recovered.
Does it work for e-bikes too?
The sticker works on all bicycle types regardless of model. On an e-bike the sticker is especially useful because the bike value is high and identification after recovery matters.
How many stickers do I need for one bike?
One sticker is enough to identify the bike. If you also want to label accessories, each item needs its own sticker.

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