The efficiency class label evaluated based on customer preferences. Delticom centralized survey results from more than 40.000 customers from 15 European countries and created this index.
Closed Shoulder Design The closed shoulder design of the tire effectively reduces road noise, ensuring a quieter ride for drivers and passengers. At the same time, this design maintains excellent handling and cornering performance, providing stability and responsiveness even during sharp turns or sudden maneuvers.
Four Main Groove Design Featuring four wide circumferential grooves, the tire significantly reduces the risk of hydroplaning by efficiently channeling water away from the contact patch. This design enhances wet traction, improving grip and safety on rain-soaked roads.
Optimized Depth for Lateral Grooves and Sipes The tire incorporates a carefully engineered depth for both lateral grooves and sipes, ensuring optimal stiffness across all tread blocks. This balanced stiffness not only improves tread wear uniformity but also extends the overall mileage of the tire, allowing for longer-lasting performance.
Optimized Variable Pitch Tread Pattern Utilizing computer simulations, the tread pattern features an optimized variable pitch arrangement. This advanced design minimizes noise generated by the tread blocks contacting the road surface, resulting in a quieter and more comfortable driving experience for occupants.
Silica-Infused Tread Compound The new silica-infused tread compound enhances grip on wet and slippery surfaces, providing superior traction in challenging conditions. Additionally, the silica formulation reduces rolling resistance, contributing to improved fuel efficiency and a safer, more economical drive1.
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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.
Brand
Grenlander
Model
Kingpro One
Dimension
225/55 R17 101V XL
Width
225
Tyre profile
55
Construction type
R
Tyre size
17
Tyre load index
101
Speed Rating
(V)
With/Without Valve (TT/TL)
Tyre requires tube
M/C
No
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