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ISO LOAD INDEX / SPEED SYMBOL

UNDERSTANDING ISO LOAD INDEX & SPEED SYMBOL

The ISO* LOAD INDEX: a numerical code associated with the maximum load a tire can carry at the speed indicated by its speed symbol under service conditions specified by the tire manufacturer. (Note: 1 kg – 2.205 lbs.)

The ISO* SPEED SYMBOL: indicates the speed at which the tire can carry a load corresponding to its Load Index under service conditions specified by the tire manufacturer.**

*International Standardization Organization **Exceeding the legal speed limit is neither recommended nor endorsed.
ISO Load Speed Index
L = Speed Rating
144/141 = Load Index (ISO)