Generally speaking it is possible to fit the Airtag holder with the SWAT Mount in place on the bike, though there may be some instances where it is not possible i.e. if you have your saddle as far forward as possible on the seatpost.
Tools required:
2mm Allen Driver
Step 1:
Separate the Airtag holder and set the front plate and bolts to one side, keeping the 2 halves of the cup:
Step 2:
Insert your Airtag into one half of the cups:
Step 3:
Insert the Airtag into the other half of the cup:
Step 4:
Holding the cup so that it doesn’t separate, insert it into the SWAT Mount from the rear:
Step 5:
Insert the face plate into the SWAT Mount from the front:
Step 6:
Insert and tighten (hand tight) the 2 supplied M3x16mm bolts to secure the assembly together:
Complete the instructions in reverse to remove the Airtag holder.
Note: the plastic spacer that is included as part of the packaging can be used to store the Airtag Holder when note attached to the SWAT Mount: