The Indian Touring Models (2018 up Chirftons, Roadmasters, and all Challengers) has a known issue of the plastic windshield gear failing.  This is your fix. 
 
We are proud to carry Steve Kovacs gear replacement.  He has a billet part to stop the plastic failures.  You will need just a few basic tools.  We will prvide that in the directions. 
 
Stop worrying about your windshield movement on a trip.  Correct the issue now before it ruins a road trip.  
 
No dealer pricing on this product.