Package ListIncludes a airtag bottle cage mount, 2 protective anti-theft safety screws, a bike bottle cage, 2 bracket screws and an Allen key for easy installation. Concealed Anti-TheftThe AirTag bike mount is very small, with a rubber grommet between the base and the panel, which is waterproof and rainproof. Integrated space design, put the Airtag locator in a protective case, hidden and not easy to find, you can easily find your lost bike. Premium MaterialThe protective case for AirTag is made of PC material, and the bike bottle cage is made of aluminum alloy material, sturdy and durable. Lightweight, compact and easy to install. Easy to InstallThe AirTag bike mount holder comes with a hex mounting tool helps you quickly install the positioner cover and bottle cage to the bike mount. Compatible with any bike with standard 65mm water bottle holder hole. SizeThe size of the holder is 7.7 x 3.7cm and the size of the bottle cage is 14x6.5cm. The distance between the mounting holes of the tracker cover and the bottle holder is 6.5 cm. The two can be installed separately or together. Specific: - Locator cover Material: PC Black colour Weight: 25 g Dimensions: 7.7x3.7 cm Distance between mounting holes: 6.5cm Applicable: motorcycle / bicycle / electric vehicle - Water bottle holder Material: aluminum alloy Black colour Weight: about 150g Size: 14cm 6.5cm Applicable: motorcycle / bicycle / electric vehicle Clamp: suitable for 18-35mm diameter round tube Applicable: motorcycle / bicycle / electric vehicle Packing List: 1x protective case 1x cup holder