Dave I've been thru hundreds of dollars worth of ballancing and tire rotation on the rims and three sets of tires because of the hopping at 35-45 mph. Same tires as you seem to have, Power King bias plys.
Think you could please post that list so we can all see it? I'd be willing to give that a try.

Denny Graham
Sandwich, IL


Denny G
Sandwich, IL