Description
The Firestone Roadhawk 2 275/45 R21 is engineered for high-performance luxury SUVs and heavy flagship utility vehicles (such as the Mercedes GLE/GLS, BMW X5/X6, Audi Q7/Q8, Range Rover, and Porsche Cayenne). This second-generation Roadhawk pattern focuses on delivering exceptional tracking stability during long-distance highway cruising under extreme summer thermal stress, combined with structural defense for large alloy wheels.
Key Product Advantages:
Massive 275mm Footprint: Expands the road contact area for uncompromised highway tracking and vehicle flat control during fast cornering, significantly reducing emergency stopping distances.
Heavy-Duty Extra Load Casing (XL): Featuring an elevated 110 load index, the internal tire structure is reinforced to support high gross weights of modern premium SUVs under full payload.
Maximum Y-Speed Rating Certified: Technically certified for absolute structural integrity and safe operation under high temperatures at continuous speeds up to 300 km/h.
Technical PropertyStandard Specification & Direct ExplanationBrand / ManufacturerFirestone – Engineered under the global Bridgestone Group umbrellaPattern / FamilyRoadhawk 2 (RHAWK2) – Next-Gen Touring & SUV Performance SeriesApplication ClassLuxury SUV / Crossover Passenger Car TireSection Width275 mm – Ultra-wide footprint ensuring supreme stability and heavy road gripAspect Ratio / Profile45% – Low profile delivering sporty steering response and effective cushioningInternal ConstructionRadial (R) – Fortified steel belts resisting high thermal stress and stretchingRim Diameter21 Inch – Wheel size specification for premium and high-torque sport SUVsLoad Range ClassXL (Extra Load) – Reinforced internal matrix engineered for heavier SUV payloadsLoad Index Rating110 – Heavy-duty capacity supporting a maximum weight of up to 1060 kg per tireSpeed Rating IndexY – The highest international speed rating, certified safe up to 300 km/hInternal Tire TypeTL (Tubeless) – Standard inner-tube-free operating system