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Protyre Offers Run-Flat Advice to Caravaners

The number of vehicles utilising run-flat tyres is increasing year by year, and while typical application allows such tyres to be used for a set distance following a loss of air pressure, different issues come into play when run-flats are fitted to a vehicle that is towing a caravan or trailer. This warning has been voiced by Protyre, who says that while normally inflated run-flat tyres on a vehicle towing a caravan or trailer can be treated in the same way as a standard tyre, a deflated run-flat is only designed to cope with the demands of a solo vehicle. The additional mass of a towed caravan or trailer subjects the tyre to higher stress levels and impacts on the tyre’s in-built torsional and lateral stability. The consequences of this is, notes Protyre, that even when travelling at a restricted speed of 50 mph for 50 miles – the speed and distance recommended by most manufactures of this type of tyre – the additional flexibility of the deflated run-flat tyre may negatively affect the stability of the car/caravan combination.

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Bridgestone Introduces Third Generation of Run-flat Tyre

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One of the greatest criticisms of existing run-flat tyre technology, inferior ride comfort compared with standard tyres, is said to have been addressed in the development of Bridgestone’s “third generation” of run-flat tyres. On March 3, 2009 the Japanese tyre major announced it has successfully developed new technologies that make such an improvement feasible, and the marketing of third-generation run-flats will begin this year. Bridgestone reports it will focus its attention upon sales to OEMs for fitment to new cars.

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PAX System Class Action Suit Settled

Michelin North America Inc. and American Honda Motor Co. have settled a class action lawsuit with consumer claiming they were misled about Michelin-produced run-flat tyres. Terms of the agreement were not released, and final court certification is expected on 14 January.

The federal consumer class action suit claimed Michelin, which made the tyres, and Honda, which outfitted certain cars and minivans with Michelin’s PAX Tire and Wheel Assembly System, failed to disclose that the tyres last half as long as standard tyres, that the tyres were “prohibitively expensive to repair and replace” and that sufficient repair facilities and stock of the tyres and other parts of the PAX system do not exist in the U.S. (Tire Review/Akron)

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Hans-Rudolf Hein Leaving BMW to join Bridgestone

According to his own words, Hans-Rudolf Hein – in charge of tyre and wheel development at BMW – will after 32 years turn his back on the automobile industry to join Bridgestone Europe at the start of next year. While he cites private reasons for the change, he also states that he’s always wanted to know what it’s like to work for a tyre manufacturer. Among other things, Hein will in his new position be responsible for representing Bridgestone’s point of view in various committees and organisations.

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Bridgestone Runflats OE Option on 2009 US RAV4

When the upcoming 2009 Toyota RAV4 Sport is released in the US, it will be available with Bridgestone Dueler run-flat tyres as part of the optional Sport Appearance Package, reports the tyremaker.

Buyers will thus, says Bridgestone, experience the outstanding performance and quiet comfort of the Bridgestone Dueler H/L 400 run-flat in size P235/55R18 99H. The tyre – the first-ever run-flat application on the RAV4 – has reinforced sidewalls utlising proprietary Bridgestone Side Support Run-Flat technology to support the vehicle in case of a loss of air pressure. The highly reinforced structure of the Bridgestone Dueler H/L 400 RFT has been specifically designed to complement the ride and handling characteristics of Toyota’s popular SUV, Bridgestone adds.

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Rema Tip Top Offers Mounting Solutions for Run-Flats

Rema Tip Top offers a range of workshop equipment for run-flat tyres that covers every need, from entry-level products to high-end solutions.

The Butler Topline tyre changer is a superb introductory machine, says Rema Tip Top, and represents an intelligent evolution of the award winning Airdraulic and Aircombi tyre changers. One of the new standard features on the Butler Topline is the Safety Belt, which was developed to reduce mounting stress particularly whilst fitting low profile, UHP and self supporting tyres, thus preventing damage to any part of the tyre or rim.

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MAK to Appear at Automechanika

Italian wheel manufacturer MAK has announced that its presence will be felt at the next Automechanika – the international fair dedicated to car components and accessories. The event will be held in Frankfurt between Tuesday 16 September and Sunday 21 September.

Automechanika will give MAK the opportunity to speak with many international dealers: the company promises to the opportunity to increase its contacts and business, especially since it exports many of its products. “Looking at our growth and considering our purpose to develop our business in those foreign countries that seems to be more interesting concerning car fashion accessorizes, we have to say that we must be present and exhibit MAK range at such an important international fair as Automechanika: there we can optimize our business,” says Emanuele Roncadori, MAK Export Manager.

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Get the Hump With New Mak Run-Flat Wheel

MAK has launched the Fuoco, an innovative new SUV wheel featuring a special hump that allows particular run-flat tyres to be fitted to it. “Hump EH2+” holds ETRTO homologation, which opens up a whole new market for MAK. According to the company, the run-flat aftermarket is “profitable and very interesting [because] it is composed of customers and suppliers that represent prestigious car makers (for example BMW) on one hand, and people with an high purchasing power on the other hand.”

The MAK Fuoco is available in the following size range: 8J20”, 9J20”, 10,5J20”.

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Kumho Introduces Eco-Friendly Tyres at Essen

Amongst the 30 products Kumho displayed at the Reifen Essen show was the company’s new eco-friendly tyre, the Solus KH19. This flagship environmental product is based on proprietary technologies including KADAS (tyre structure simulation technology), ESCOT (tyre contour optimisation technology) and TTIA (tyre-terrain interaction analysis). The Solus KH19 boasts a 35 per cent improvement in rolling resistance and a six per cent decrease in CO2 emissions. Its construction is of eco-friendly materials, including low PAHs (polycyclic aromatic hydrocarbons) oils and non-petroleum fillers, and a tread pattern that Kumho refers to as ‘nature based’. This pattern, says the South Korean manufacturer, is not only intended only to reinforce the tyre’s green image; it also provides a smoother ride. The Solus KH19 will be available from this autumn.

“This is a milestone year for Kumho as we strengthen our focus on making ‘greener’ products,” said Sae-chul Oh, CEO and president of Kumho Tires. “These new tyres improve fuel efficiency, lower CO2 emissions and run more quietly. We have also re-engineered our manufacturing process to make it more environmentally friendly. Kumho has taken this leading role in environmental issues because it allows us to provide tangible benefits to our customers, while simultaneously helping the planet.”

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MAK Launches New Wheels

Italian wheel manufacturer MAK used the Essen show to launch a number of new additions to its product range.

The first of these is the Corsa, designed with young customers in mind, hence its sporty appearance and attractive price/quality ratio. The wheel’s 20 spokes give the Corsa a light and modern look; the spokes are slim and tapered and the wheel is presented in a finish known as Ice Titan – dark grey for the rims, high sheen diamond for the spokes.

The Corsa is available for four and five stud fitments, maximising the number of 15″ and above fitments for which the wheel is suitable. It comes in four sizes: 6.5J15″, 7J16″, 7J17″ and 8J17″.

New wheel number two is the MAK Veloce – the name means ‘fast’ – and it boasts a stylish, 10 coupled spoke design with a “satin” finish. The spokes curve slightly and the design of the wheel is graceful and open.

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Mobile Tyre Changer From Hofmann Megaplan

Hofmann Megaplan has recently introduced what the company claims to be the most capable tyre changer ever designed to be used in a mobile fitting van.

The megamount 401 XL Racing works on the space-saving ‘swing-arm’ principle that has proved so popular over the years in mobile fitting vans, but that has also presented limitations in terms of the range of wheels they can handle. The 401 overcomes these limitations by utilising the ‘Quadraclamp’ turntable system from the 701 model that allows clamping up to 26″, and the ‘megafit’ arm for handling stiff, low profile and run-flat tyres.

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New Reports On UK Tyre Market Size

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One thing that almost everybody agrees on in the UK tyre industry is the lack of readily available, meaningful statistics on the size and value of the tyre market. The NTDA has teamed up with research company GfK to produce the "World of Tyres" – an exclusive members' newsletter which includes a regular review of retail sales data on the passenger car, 4X4 and light commercial tyre market.

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Keep on Going, There’s no Pressure…

With the occasional lawsuit and industry murmurings about the difficulty and cost of run-flat repairs proving no more an obstacle to the onward march of run-flat tyres than a carelessly dropped nail on the road, most sectors of the passenger car tyre market are now furnished with a healthy selection of run-flat options. In December T&A examines what’s new and what’s good in the world of run-flats.

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Bridgestone Run-Flats OE for New Nissan GT-R

Bridgestone announced on November 22 that it will supply Potenza RE070R RFT run-flat tyres as OE on the latest Nissan GT-R, which made its global debut on October 24. The tyre major reports that a 255/40ZRF20 (97Y) size tyre will be fitted to the front axle of the high performance car as standard, and size 285/35ZRF20 (100Y) to the rear. The highly rigid structure of the Potenza RE070R RFT has been specifically tuned for the Nissan GT-R, commented Bridgestone upon announcing the deal, adding also that the tyre’s asymmetrical tread design would provide the GT-R with excellent handling in both wet and dry conditions.

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Bridgestone to Attend 40th Tokyo Motor Show

The Tokyo Motor Show, acknowledged as one of the motoring world’s “big five” shows (along with Detroit, Geneva, Frankfurt and Paris) gets underway on October 24. The 2007 exhibition, the 40th Tokyo Show, runs until November 11 and has attracted numerous top name exhibitors, including Japan’s – and the world’s – largest producer of tyres.

Bridgestone will present a stand focusing on the theme of “The Environment and Safety”, and will introduce tyres and related activities supporting these concepts. The environmental emphasis will include a display of various eco-products, beginning with ECOPIA, an environmentally friendly fuel saving tyre, and NanoPro-Tech, a material technology that boosts environmental performance in tyres by reducing rolling resistance. NanoPro-Tech was first seen in the Blizzak Rev02 pcr studless tyre released in 2006, and is now one of Bridgestone’s core technologies. The company will also introduce a variety of its environmental activities using display panels.

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