What does 24555r19 tire mean?

1 Answers
PenelopeFitz
07/29/25 9:00pm
24555r19 tire refers to a tire with the standard model number 245/55R19. More information about 245/55R19 is as follows: 1. The car tire 245/55R19 represents the tire specifications. Here, 245 indicates the tire cross-sectional width of 245 millimeters; 55 represents the aspect ratio of 55%; R denotes that the tire is a radial tire; and 19 signifies the tire inner diameter of 19 inches. 2. Generally, the width of passenger car tires ranges between 145—285mm, with intervals of 10mm, and the aspect ratio ranges from 30%—80%. Under normal circumstances, ordinary passenger cars should not use tires with an aspect ratio greater than 75%, while luxury cars and high-performance sports cars are recommended to use tires with an aspect ratio less than 60%.
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