FIA Rules
🏛️Official — FIA2.5 Tyres (Sporting Regulations, Article B6)
Verdict
Tyres are supplied exclusively by the single designated FIA tyre supplier (Pirelli SpA as of 2026 under the existing supply agreement). No car may be driven using tyres that have not been supplied by the appointed tyre supplier.
Source: Article 24.4
Send this to your friend — argument over.
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