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I still do not know why this is so hard to understand. The tire service and speed rating (load/speed index) means that the tire will carry the given load rating UP TO the 106 mph speed Rating. Past 106mph weight capcity starts deminishing. As speed approaches then passes speed rating, weight capacity progressively deminishes. An L speed rated tire (the Saliun) approaches, then goes past it’s load capacity at 75 mph which is better than the ST trailer tires that were rated for max load at 65 mph. Videos of tires in a spin/load machine exploding as speed goes beyond rating with simulated max load, impressively demonstrate the principle of centrifugal force and tire failure.
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