Tyres ka chakkar, beta... compounds hain soft, medium, hard, jaise garmi mein makkhan pighalta hai. Soft tez hai lekin jaldi ghis jaata, hard jyada chalta hai. Graining woh hai jab rubber ka chhilka utarta hai, blistering garmi se phaphole pad jaate hain. Main karting karte waqt pata tha ki chikne track pe soft tyre jal jaata tha... par pit stop mein papa nahi aaye the paise dene ke liye, isliye main bhi hard compound jaisi zindagi jeeti hoon.
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