What does 185/60r15 tire mean?

1 Answers
VonWyatt
07/29/25 10:21am
185/60r15 tire indicates: the cross-sectional width is 185mm, the aspect ratio is 60%, R stands for radial tire structure, and the rim diameter is 15 inches. Below are precautions for car tires: 1. Pay attention to tire pressure: Pressure is the lifeline of a tire, both too high and too low will shorten its service life. If the pressure is too low, the tire body deformation increases, cracks are prone to appear on the tire side, and flexing motion occurs, leading to excessive heat generation, promoting rubber aging, fatigue of the cord layer, and cord breakage. Too low pressure will also increase the tire's contact area and accelerate shoulder wear. If the pressure is too high, the tire cords will be excessively stretched and deformed, the tire body elasticity will decrease, increasing the load on the car while driving, and internal cracks and explosions may occur upon impact. At the same time, excessive pressure will also accelerate crown wear and reduce puncture resistance. 2. Regularly check front wheel alignment: Front wheel alignment greatly affects tire service life, with front wheel toe-in and camber being the main factors. Excessive camber mainly accelerates shoulder wear, i.e., uneven wear; too much or too little toe-in mainly accelerates wear on the inner and outer sides of the tire.
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