Introduction. Car tires are the only element of a vehicle that directly contacts the road surface. Their condition and proper selection directly affect handling, braking distance, fuel efficiency, and most importantly, the safety of the driver and passengers. Many car owners mistakenly believe that choosing tires comes down merely to selecting the appropriate diameter, but in practice, there are numerous parameters requiring attention. Understanding markings, seasonality, and design features allows not only extending tire life but also significantly improving driving safety in various conditions. I. Determining Seasonality: Summer, Winter, or All-Season. The first and most important step when choosing tires is determining the seasonality of use. The division into summer and winter tires is based on fundamental differences in rubber compound composition and tread pattern. Summer tires are designed for operation at positive temperatures. The rubber compound is sufficiently hard, ensuring stability at high speeds, minimal wear, and short braking distances on dry and wet asphalt. The tread pattern is oriented toward effective water evacuation to prevent aquaplaning. Using summer tires in winter is dangerous: the rubber hardens, loses elasticity, and road grip drops sharply. Winter tires, conversely, maintain elasticity at low temperatures. Special components in the rubber compound prevent hardening in frost. The tread features deeper grooves and the presence of lamellas—thin slits that open upon contact with the road, providing grip on snow and ice. Winter tires are divided into two subtypes: studded (for icy roads) and non-studded, so-called "friction tires" or "Velcro" (for mild European winters with wet snow and slush). All-season tires represent a compromise option. They are suitable for year-round use but are inferior to specialized tires both in summer and winter. In temperate climates with mild winters, all-season tires may be justified; however, experts re ... Читать далее