Nankang Sportnex AS-2+ 255/40 ZR20 101Y

Nankang Sportnex AS-2+255/40 ZR20 101Y

Vehicle type:

Car

Usage:

Summer tyre

Manufacturer:

Nankang

Width:

255

Height:

Construction:

Diameter:

Load index:

101

Speed index:

EAN:

4718022008916

Customer reviews:

EU tyre label:

71 dB

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The void ratio of the inside and outside are respectively 38% and 34%, and it can improve tyre’s drainage efficiency and also wet handling.

With broadened circumferential groove width, the section area of inside/ outside grooves is increased 21.3% and 43.8% respectively compared to the conventional design. And it can increase the volume to contain more water for better drainage performance.

Brand new profile design and reinforced sidewall design can upgrade tyre stiffness.

Serrated wall of circumferential groove: Discharge water in the circumferential grooves promptly and effectively, as well as reduce the noise caused by the friction between airflow and groove wall.

For inside and outside lateral groove on tread shoulder, we use chamfering design to optimize the angle of lateral grooves, and it can reduce tyre’s rolling sound and improve block stiffness effectively.

EU Tyre Label and Efficiency Classes?

The European Union has introduced the EU Tyre Label by Regulation (No. 1222/2009) identically and bindingly for all EU member states. It applies to passenger car tyres, light commercial vehicle tyres and heavy commercial vehicle tyres produced after 01.07.2012.

Three different areas are tested: rolling resistance, wet grip and the rolling noise the tyre makes on the road.

The following are not affected by the EU Tyre Label: retreaded tyres, professional off-road tyres, racing tyres, tyres with additional devices to improve traction such as spiked tyres, T-type emergency tyres, special tyres for fitting to vehicles first registered before 1 October 1990, tyres with a maximum authorised speed of 80 km/h, tyres for rims with a nominal diameter of 254 mm or less or 635 mm or more.

With this regulation, the European Union is pursuing the goal of promoting economic and ecological efficiency in road traffic as well as increasing road safety on the one hand, and on the other hand, granting consumers more product transparency and at the same time serving as an active decision-making aid.

Already during the incorporation, experts criticise the fact that the EU Tyre Label unfortunately only shows a few product characteristics. Apart from rolling resistance, wet grip and rolling noise, which are the main focus of EU tyre labelling, tyres have much more important and safety-relevant product characteristics, such as aquaplaning properties, driving stability, service life, braking properties on dry and wet roads, behaviour in wintry conditions, etc.

Tyre manufacturers point out that test results from various institutions and journals remain an important information medium for the end consumer. These tests usually focus on further safety-relevant product characteristics besides the EU standard qualifications for tyre labelling, which are always important for the final customer.

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Nankang Sportnex AS-2+ 255/40 ZR20 101Y

Nankang Sportnex AS-2+255/40 ZR20 101Y

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