Don't do it.
Originally Posted by Sheldon Brown
Of all the inventions that came out of the bicycle industry, probably none is as important and useful as Dr. Dunlop's pneumatic tire.
Airless tires have been obsolete for over a century, but crackpot "inventors" keep trying to bring them back. They are heavy, slow and give a harsh ride. They are also likely to cause wheel damage, due to their poor cushioning ability.
https://www.sheldonbrown.com/tires.html#airless
I you could fit wider tires that would help.