Given the propensity for filling every void with tools and spares these days, Muc-Off have been working on a new solution to data tagging your bike. An intriguing solution, which can apparently only be mounted in the rear wheel, though I don't know why, certainly keeps it hidden! It only works with the Apple Air Tag, though there is an Android app for it (I believe), but wouldn't it be great to go to the police and tell them not just that your bike has been stolen, but show them where they can find it! Love the (excuse me!) out-of-the-box thinking here (not supported or endorsed by MO in any way!). Supposed to be available mid next month. The big downside, for me, is that it is not tyre insert compatible