For what it is worth, I have used Dyna-beads in 4 different Harleys. Ran smooth as glass at any speed. Dyna-beads does recommend balancing before putting beads in as the beads were a "fine tune" for varying road speeds. Loved em.
Also, ran beads in the the six semi rated tires on our 40 foot fifth wheel motor home. I could SEE the tires running smoother at speed. Each wheel assy was close to 80 pounds. The beads again proved to be the nuts.
Just my two cents-
