I have a 2018/198p Ranger, I noticed that my trailer tires had no wheel weights on the rims. Had my local tire shop try to balance,but the machine kept changing weight locations. Got to thinking that these tires had some of those plastic beads inside the tires to help balance tire. Pulled tire from rim to find a handful of small beads. Dumped out the beads,mounted tire back on rim and balanced tires with wheel weights. I think that it rides better, not a fan of beads for a balance job!