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Dyna beads are the way. Got them in stock ready to ship but they are much easier to install when a new tire is going on. Been running them for many years.
You might also look at Ride On. It is a liquid/gel that will balance the tire/wheel and seal punctures as well. Depending on tire/wheel size is takes about 7-8 oz per wheel.
Dyna Beads on my 140mm up front, and my 200mm in the back, about 3200 miles with them so far, and i really like them.
However, if you try to install them with the wheels on the bike, it IS a bit of a pain in the butt..and they will fall everywhere. Don't ask me how I know