- The Muc-Off Secure AirTag™ Holder is a super secure way to install an AirTag* to your bike frame using the bottle cage mounting holes, meaning you can track down and locate your steed with the FindMy™ app, should pesky thieves get their hands on it! Your AirTag will be housed in a tough, 4-part polymer holder, which is sandwiched between two aircraft grade 6061 aluminium armour plates to ensure the AirTag is not easy to remove or damage. It comes supplied with 2 sets of security Torx screws and a security key for an extra level of protection. It’s available in the 12 Muc-Off anodized colour options, for you to match your Tubeless Valves or Stealth Tubeless Puncture Plugs for extra style points.