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Fronway Fronwing A/S – 255/40ZR20 101W XL (All Season)
Description: The Fronway Fronwing A/S in 255/40ZR20 101W XL is a high-specification Ultra High-Performance (UHP) All-Season tyre designed for large-diameter wheel fitments on premium performance vehicles. This wide, very low-profile size is commonly fitted to high-end sports sedans, performance coupes, and certain models of compact sport SUVs, such as the Audi A6/A7, BMW 5/6 Series, and performance variants of the Lexus IS/GS. It is engineered to deliver a strong combination of aggressive, responsive handling and the crucial year-round versatility (including light snow capability) required by drivers of powerful, demanding vehicles.
Key Features and Technical Details:
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Ultra High-Performance All-Season (UHP A/S): This tyre is built for dynamic, spirited driving on paved roads while maintaining reliable traction in diverse weather, including dry, wet, and light snow conditions, offering genuine all-season capability.
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Extra Load (XL) Capacity: The 101 load index certifies this tyre to support a substantial maximum load of 825kg (1819 lbs) per tyre. The XL designation indicates a reinforced casing structure, which is vital for safely handling the dynamic forces and high loads of modern, heavy performance vehicles.
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High-Speed Rating: Rated W (up to 168 mph / 270 km/h), the tyre is certified for sustained high-speed applications. The ‘ZR’ in the size code further confirms its internal structure is engineered for ultra-high-speed capability.
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Low-Profile Handling: The low 40-series aspect ratio minimizes sidewall flex, translating into sharp, immediate steering response and enhanced cornering stability, which are hallmarks of a performance tyre.
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Asymmetric Tread Design: The pattern features robust outer shoulder blocks to maximize dry grip and lateral stability during cornering. The inner sections incorporate high-density siping and grooves for improved traction in wet and cold conditions.
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Wet Weather Control: Multiple wide, deep circumferential grooves and a detailed siping system work together to rapidly and effectively evacuate water from the contact patch, significantly enhancing resistance to hydroplaning and improving braking stability in rainy conditions.

















