Although wheel balancing is largely a matter of experience. I bought this scale in September and used it yesterday. I put new tires and rims on my wife's car and balanced the tires with this wheel balancer, got it to 70mph on the road with no problems. I would like to add that I do not balance tires according to their direction of use of the four weights, I just use the required weight and position to balance the tire and wheel. I've been doing this in the tire business for many years and will continue to do so. Your way is usually good up to 55 mph, my way is a good time.
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