Tyre compounds are basically these pre-set rubber mixes—softer ones grip like crazy but wear out fast, harder ones last longer but are slower. Graining is when bits tear up and make the tyre lumpy, blistering is bubbles from overheating, and thermal degradation is just the rubber getting too hot and losing its magic. Honestly, I learned all this from endless YouTube explainers because a trackside ticket costs more than my monthly WiFi recharge—so my grandstand is a wobbly internet stream and shouting at the laptop.
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