What does 19565r15 91h mean?

The code "195/65R15 91H" is a tire specification indicating several key features. "195" refers to the tire's width in millimeters, "65" is the aspect ratio (the height of the tire's sidewall as a percentage of its width), "R" denotes that it is a radial tire, "15" indicates the diameter of the wheel rim in inches, "91" is the load index (indicating the maximum weight the tire can support), and "H" signifies the speed rating, indicating the maximum speed the tire can safely handle. Together, these specifications help consumers choose the right tire for their vehicle.