The Primacy HP ZP (Zero Pressure technology) is Michelin's Grand Touring Summer run flat tire developed to provide longer tread life and lasting performance throughout the tire's life, as well as better braking, steering control and handling on wet roads. The Primacy HP ZP also offers temporary mobility (up to 50 miles at 55 mph) in the event of air loss for current BMW 3-Series sedans, coupes, cabriolets and wagons and Z4 roadsters, as well as MINI Cooper and Cooper S hatchbacks and convertibles featuring Original Equipment self-supporting run-flat tires. While Primacy HP ZP tires are designed to offer reliable traction in dry and wet conditions, they are not intended to be driven in near-freezing temperatures, through snow or on ice.
Primacy HP ZP tires benefit from Michelin design innovations known as A.S.M. (Architecture, Sculpture and Materials) that reflect 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 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 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 cool temperatures to allow longer zero-pressure driving while a special bead design helps tires stay securely seated on conventional rims.
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.
PRIMACYHPZP tyre review
Average based on 70 test results
Grip in dry conditions
Braking in dry conditions
Grip in wet conditions
Braking in wet conditions
Grip in snow
Driving comfort
Internal noise level
Tyre wear
Fuel consumption
Kilometers driven
15,780
25.08.2014 from Gerard A fantastic summer/wet tyre, the best I've had to date
10.03.2014 from Chris Thomas Good tyre from a very good supplier
12.04.2012 from Goran Comfortable in the beginning but ended up being very noisy due to uneven wear of outer thread blocks.
The vision of our founders, Edouard and André Michelin, has guided the
development of the MICHELIN brand for more than 125 years: making driving as simple, safe, and
comfortable as possible – first with innovative tires and wheels, followed by road maps, travel guides, and
contributions toward improving traffic infrastructure. Along with this comes a strong engagement with the
environment, as modern mobility must be sustainable and not detrimental to the environment.
Each year the Michelin Group produces more than 178 million tires in 68
production facilities in 17 countries, and it operates sales networks in more than 170 countries. The product
offerings are many: from bicycle, passenger car, truck, motorcycle, and tractor tires, to tires for 5-ton earth-
moving machines. Michelin employs 111,700 people worldwide and owns one of the oldest, most famous
trademarks in the world – the legendary Michelin Man.
Targeted development: MICHELIN Total Performance
In the development of new products, Michelin faithfully pursues the concept of
"MICHELIN Total Performance", backed by the rigorous standard of always bringing together a number of
performance characteristics into a tire, to achieve optimal results. We follow this philosophy not only in the
development of our standard products, but also in motorsports. Numerous technical innovations help to
relieve burdens on the environment, drivers, and businesses. Hidden out of sight in tire casings, tread
designs, and rubber compounds, throughout their lives MICHELIN tires show their full potential: they offer
excellent grip, long life, and reduced fuel consumption thanks to their low rolling resistance.
To better understand the conditions which tires are subjected to in everyday
use, in the summer of 2014 Michelin began a unique research project – the Road Usage Lab. Vehicles from
3,000 drivers in Europe were equipped with special measurement devices to record data about the tires'
use. These valuable findings are being employed in the development of future tire models, making them
better suited to the needs of real drivers.
*Prices include VAT and delivery within mainland UK (excl. Scottish Highlands).
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