Well, the AirTag would be good without its "
anti-stalking" feature... Let me explain: if your bike is stolen the thief will get this notification on his smartphone (iOs or Android) "
An AirTag not associated with your iCloud account is following you". This happens even if the speaker has been removed... Therefore a thief can locate the AirTag and
get rid of it or simply
de-activate it. Truly efficient anti-theft systems have another design.
What to do if you get an alert that an AirTag is with you
Android software
If you go cheap, you have a cheap protection!