The Goodyear Eagle F1 Asymmetric 5 in size 265/35R21 101Y XL is a high-performance summer tyre specifically engineered for elite sports cars. The NF1 marking is a critical indicator—it denotes that this tyre is Original Equipment (OE) for Porsche, specifically designed as a front fitment for the Porsche Taycan or Panamera.

The (EU) marking confirms European manufacturing (typically Germany), and the Y24 batch signifies a fresh 2024 production, ensuring the rubber remains at its peak performance for 2026 driving.