195 60r15什麼意思

"195 60R15" is a tire size designation that provides information about the tire's width, aspect ratio, construction, and wheel diameter. Here's what each part of the designation means:

  1. 195 - This is the tire's width in millimeters. It indicates that the tire is 195 millimeters wide.

  2. 60 - This is the aspect ratio, which is the ratio of the tire's height to its width. In this case, the tire's height is 60% of its width. So, if the tire is 195 millimeters wide, its height is 60% of 195, or approximately 117 millimeters.

  3. R - The letter "R" stands for "radial," which means that the tire is constructed with radial ply. This is the most common type of tire construction.

  4. 15 - This is the wheel diameter in inches. It means that the tire is designed to fit a wheel that is 15 inches in diameter.

So, a tire size of 195/60R15 means that the tire is 195 millimeters wide, has a height that is 60% of its width, is a radial tire, and is intended for a wheel that is 15 inches in diameter.