What does 185/70r14 mean?

[McFelix]

185/70R14: 185 represents the tire width of 185MM; 70 indicates the aspect ratio of the tire section is 70%, meaning the section height is 70% of the width, R stands for radial tire; 14 denotes the rim diameter of 14 inches. Here is an introduction about tires: 1. There are many ways to represent tire specifications, and the four most common ones in the market are the British system, German system, metric system, and American system. 2. Car tires are in direct contact with the road surface and, together with the car suspension, help to cushion the impact during driving, ensuring good ride comfort and smooth driving.