19560R15
19560R15 refers to a specific tire size designation. The first number, 195, indicates the tire's width in millimeters across its sidewall. The second number, 60, represents the aspect ratio, which is the tire's sidewall height as a percentage of its width. In this case, the sidewall height is 60% of 195 millimeters. The letter R signifies that the tire is of radial construction, meaning its internal plies are arranged perpendicular to the direction of travel. The final number, 15, denotes the diameter of the wheel rim in inches that the tire is designed to fit. This designation is commonly found on passenger vehicles. Understanding tire size codes is crucial for selecting the correct replacement tires for a vehicle, ensuring proper fit, performance, and safety. Variations in these numbers can significantly impact handling, fuel efficiency, and speedometer accuracy.