Runflat or run flat tire, RFT tire, run on flat tire, puncture-proof tire, Self-supporting tire, extended mobility tire, zero pressure tire, ZP, EMT, SST, ROF, BSR, ... You may have already come across one of these terms without really knowing what it means. For several years now, run-flat technology has been used mainly for sport and premium vehicles as a solution against the risk of accidents caused by a sudden puncture.
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