They are the widely used run-flat tyres across the globe. On the downside, such run-flat tyres with a self-supporting system provide you with stiff ride quality alongside limit the absorption capability as seen on traditional tyres. The tyres come with rigid sidewalls compared to usual ones and have internal support that allows the punctured tyre to rest on it instead of the rim.
The run-flat tyres are offered in three types – self-supporting, self-sealing and auxiliary supported. Hence, run-flat tyres are either made available as an option or come standard. The high-end car makers don’t want their privileged customer to remain stranded at the time of puncture. These innovative tyres can travel up to 130-150 km and under a limited speed of 70-80 km/hr. Today most of the premium and luxury performance vehicles are endowed with the option of run-flat tyres besides regular tyres. Later, tyre biggies like Goodyear and Dunlop tried their hand at it in the 1950s and 1970s respectively. World’s first run-flat tyre was designed by Michelin for military use, which can even survive bullet injuries. After the successful development of rubber tyres in the late 19th century, the invention of tyres without air (due to puncture) came in the 1930s. Run-flat tyre, as the name itself suggests, is a tyre meant to run even when flat (punctured).
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