Trackers like the Airtag can be used to do all kinds of fun things. For example, finding out the address of secret service offices. Or track recycled goods going astray. The devices are also useful on the bike if it has been stolen. Provided the thieves do not remove the positioning pills.

The first quality of an Airtag mount is obvious: namely that it is not obvious and almost begs the bike thief to unscrew it and throw it away. In this respect, you may have doubts that the Klickfix Findme will stay on the stolen bike for long. It looks a little better if you screw a bottle cage over it.

Of course, it is cleverer to use a bottle cage with an Airtag niche, such as the Topeak Ninja+ Cage Z with Airtag Mount or the Lezyne Matrix Aircage. How clever it is to print the model name Aircage clearly visible on the bottle cage and thus possibly draw attention to the Airtag is open to debate.

Professionals who take a closer look might be suspicious. As with the unusually thick top cap with the name NC-17 Connect Air Box.

The air tag is also easy to find under the saddle - if you know where to look. Casual thieves could fall for the Lezyne Matrix Saddle Tagger. The housing can only be removed with the special bit supplied. Once the culprit has discovered the air tag, he first has to get rid of it.

There are various other trackers and tracking systems for bikes. Most of them are more expensive than the Airtag and not as compact. Like other Apple devices, the Airtag can be located via the "Where is" app. However, only if another iPhone is nearby and has picked up and transmitted its signal.