The new summer tire Nokian Hakka Black rigorously responds to the steering wheel maneuvers. The safe and durable novelty of the Nokian Hakka family is surprisingly steadily moving along the roads. He masterfully behaves in extreme situations, is not afraid of rutted and rough roads, large temperature drops. The Nokian Hakka Black tire is designed for high speeds and is a group of elite high-performance tires (UHP - ultra high performance) for passenger cars.
Prices and available at stores / Saint-Petersburg
Резюмируя: Выбирая сейчас между Black и Z, я бы взял Z, она более драйвовая по ощущениям.