Correct answer
That the tyre's load capacity differs according to the type of fitment used (single or twin)
The fact that the two numbers are different indicates that the tyre's load capacity differs. There is a table relating a tyre's load-capacity indices to their equivalent load capacities: the higher number corresponds to single fitment, and the lower number corresponds to twin fitment. When a tyre has load-capacity indices for single and twin fitment, the reference load for single fitment is used as the basis for test loads.
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That the tyre's load capacity differs according to the type of fitment used (single or twin)
That the usage index varies depending on whether the tyre is on the front axle or the rear axle
That the load capacity varies depending on whether it is fitted to a fixed or lift axle
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