Muc-Off Stealth Tubeless AirTag Holder

No, the holder is designed to be airtight and keeps the AirTag completely isolated from the sealant inside your tire. It functions just like a standard valve stem, so your tubeless setup remains unaffected.

No, this is a specific replacement valve stem designed to house an AirTag. You will need to remove your existing valve stem and replace it with this Muc-Off unit to accommodate the tracker.

The holder is engineered to allow the signal to pass through effectively. While being inside a rim can slightly dampen signal strength compared to an external mount, it remains fully functional for tracking purposes.

The stem is 44mm long, which is standard for many mountain and gravel bike rims. If you have very deep-section aero rims, this length may not be sufficient to reach through the rim bed.

You can, but most riders only install one on the rear wheel for security. Keep in mind that adding two will change the weight balance of your wheels slightly, though it is negligible for most riding styles.