Cardo Motorcycle Spare Part Plastic and Adhesive Plate for Freecom 1/2/4

Does exactly what you need it do, sticks to your new helmet so you can easily transfer you existing Cardo. Top stuff.

But at least one, if not more, replacement adhesive plates should have been included with the original purchase of the Cardo Freecom 4X as it's needed if you want to use the intercom on different helmets