This was at least my 7th and LAST purchase of CounterAct Balance Beads. After buying a set of tires AT 35x12.5x18 for my F250, the flanks and valve inserts were mounted. I will preface this by saying that I really love and support pearl balancing. I use them on our bikes and all vehicles with low profile tires except the Mustang. My problem isn't the balls, it's the valve cores. There hasn't been a single car I've put these balls in that I haven't been stranded on because the valve cores do NOT prevent the balls from clogging the core and thereby losing air. I've had better luck with regular valve cores. However, I have already bought a set of cores for EZ tires. I suppose this is the best design and hence the solution to the CounterAct valve core problem. I haven't decided yet what brand of balance ball I'm going to use next, but it definitely won't be CounterAct.
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