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Primacy HP ZP SR(Grand Touring Summer)
Sidewall Style: Blackwall
The Primacy HP ZP SR (Zero Pressure Short Range) Grand Touring Summer run-flat tires were developed for use on Audi A3, A4, A5 and A6 models fitted with Original Equipment tires designated AO Extended. The tire's Short-Range designation reflects Audi's selected balance of everyday ride comfort and extended mobility range in the event a puncture results in complete loss of tire inflation pressure. The Primacy HP ZP SR tire's ride comfort enhancing construction provides extended mobility for 20 miles at up to 50 mph, whereas firmer riding, standard run-flat tires are typically rated for 50 miles at 50 mph. Primacy HP ZP SR tires are also designed to provide progressive, predictable cornering and reliable traction in dry and wet conditions, however they are not intended to be driven in near-freezing temperatures, through snow or on ice.
Primacy HP ZP SR tires benefit from Michelin design innovations known as A.S.M. (Architecture, Sculpture and Materials) reflecting Michelin's ability to focus simultaneously on three fundamental factors that determine a tire's capabilities. Using their A.S.M. design method, Michelin can develop tires that combine an architecture that deforms more easily to optimize contact with the road, a tread design sculpture that remains rigid so more of the footprint contributes to performance, and unique tread compound materials precisely blended by Michelin's mixing technology.
Primacy HP ZP SR tires use a new generation Michelin tread compound molded into an asymmetric tread design that features large, linked shoulder blocks, notched intermediate ribs and a solid center rib to combine responsive handling and high-speed stability with traction and even treadwear. The Primacy HP ZP SR tire's structure includes twin steel belts reinforced by size-optimized BAZ Technology (spiral-wrapped Polyamide Banded At Zero degrees to tire rotation) to enhance ride quality while providing high-speed durability. Sidewall reinforcement using low hysteresis rubber provides self-supporting strength at zero pressure, helps combat sidewall damage and maintains cooler temperatures during zero pressure driving while a special bead design helps secure the tires on conventional rims.
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