Melbourne's Familiar Foe: Graining Issues Resurface Across Pirelli's Tyre Range
Tire degradation through graining has once again emerged as a defining characteristic of the Australian Grand Prix weekend, affecting all three available compound options in the 2026 season. The phenomenon proved particularly troublesome on the front axle across multiple sets throughout practice sessions.
The Australian Grand Prix continues to present its customary tire challenges, with graining once more asserting itself as a primary concern during this year's practice activities. The issue manifested across the complete selection of compounds that Pirelli brought to Melbourne, demonstrating that no tire option proved immune to the problem.
Front-end tire degradation through graining remained especially pronounced, with multiple sets showing notable evidence of the phenomenon. This recurring Melbourne characteristic has once again forced teams and Pirelli to carefully consider tire management strategies as they progress through the weekend, adding another layer of complexity to the technical puzzle that the Albert Park circuit presents annually.
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Related Regulations
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Full Regulation Text
Article 9.1
Tyre Specifications
Chapter: Chapter IX - Tyres
In Simple Terms
Pirelli is F1's sole tyre supplier. Each driver gets a fixed allocation per weekend: typically 13 sets of slicks (across soft, medium, hard), plus wet weather tyres. Teams must strategically use their allocation across practice, qualifying, and the race.
- Pirelli is sole official supplier
- Fixed allocation per weekend
- Three dry compounds: soft, medium, hard
- Intermediate and wet also provided
Official FIA Text
Only tyres supplied by the official tyre supplier may be used. During a race weekend, each driver is allocated a specified number of dry weather tyre sets comprising soft, medium and hard compounds, plus intermediate and wet weather tyres.
Article C10.8.2
Tyre Specification
Chapter: C10
In Simple Terms
The tyre supplier (Pirelli) decides what tyres F1 cars use, but they need FIA approval. These specifications can't be changed during the season unless the FIA deems it necessary for safety reasons. Think of it as a locked-in agreement to keep competition fair.
- Tyre supplier determines specifications in agreement with the FIA
- Specifications remain fixed throughout the season for competitive fairness
- FIA has emergency authority to change tyres mid-season for safety reasons
- Changes require Formula One Commission approval, except in safety situations
Official FIA Text
Tyre specifications determined by tyre supplier in agreement with FIA. Specification cannot change without Formula One Commission agreement, except FIA may change for safety reasons during season.
Article B6.2.2
Complete set of tyres definition
Chapter: B6
In Simple Terms
A complete set of tyres means all four tyres on a car (two front, two rear) must be the same type and specification. You can't mix different tyre compounds or specifications on your car.
- Must have exactly 2 front tyres and 2 rear tyres
- All four tyres must be identical in specification
- Mixing different tyre types or compounds is not allowed
- Applies to all tyre changes during a race or qualifying session
Official FIA Text
A complete set of tyres comprises two front and two rear tyres all of which must be of the same specification.
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