Tyres and Breaks are the two most important components of any vehicle and life of driver and occupants depends on the function of tyres and brakes. One should never compromise on tyres and install the right specification tyres from the from fresh production because tyres has rack life of 4 years whether you use it or not after four years manufacturer warranty is void means tyre may look new but not safe on high speeds and can burst , threads can de-laminate or de-shape . All tyres has month and year of manufacture stamped on the side wall of tyre .Most Important tyres are smuggled in Pakistan and there rack life is expired. General Tyres do not stamp date of manufacturing because there production is less than demand ,therefore they are safe to use.
when buying important tyres always check date of manufacturing and speed symbol such as S=180 Km/hour , T= 190 Km/hour and U =200km/hour. Also check maximum load carrying capacity per tyre such as digit 71 represent that tyre maximum load capacity is 345 kilogram similarly 72=355 Kgs, 73=365 Kgs, 74=375Kgs, 75=387Kgs, 76=400 Kgd, 77= 412 Kgs, 78=425 Kgs, 79=437 Kgs, 80=450 Kgs
81=621Kgs . Speed and load factor are two important factors and tyre price increases as these two factors goes up.