This genuine Bik3d AirTag holder sits either between your water bottle and the bike frame or if you don’t have a bottle it sits on the frame using the existing bottle holder screw threads using supplied bolts.
Dimensions: 13.5mm (h) x 88.8mm (L) x 40mm (w) max
Here is a link to an independent blogger who has purchased and tested my water bottle AirTag holder:
https://www.jiribrejcha.net/2021/05/tern-gsd-water-bottle-bike-mount-for-apple-airtag/
This auction includes the added security of Hex secure bolts and one hex secure key. This option makes the holder virtually impossible to remove from the cycle frame without significant damage.
Included in auction:
Apple AirTag Under-Bottle Holder
2 off m5 x 20mm bolts & 2 off M5 x 30 Secure Hex bolts
1 off Secure Hex Key
Please note, Apple AirTag shown in photo is not included.
If you are looking for a secure under-saddle AirTag mount please see our other eBay items for sale