Each package comes complete with a sleek matte black plastic cap and a CNC'd alloy lower cap, adding a touch of sophistication to your cycling gear. Note that the Air Tag is not included in the kit. The Granite Stash AirTag Bike Mount Kit features a CNC'd alloy base as the Stash system's lower cap, combined with a composite cap to avoid AirTag's RF signal interference, ensuring precise and dependable bike tracking consistently. Compatibility is a breeze, as this AirTag hidden bike mount kit flawlessly works with Stash and Stash RT systems featuring 42mm lower caps for tapered steerer forks. Our innovative airtag hidden bike mount is expertly crafted to nestle perfectly at the base of your suspension fork, working in harmony with both the Granite Stash and the all-new Stash RT. Elevate your cycling experience with our game-changing Granite Stash AirTag Mount Kit, a hidden bike AirTag holder designed to seamlessly integrate AirTag into your Stash and Stash RT toolkit.