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The manufacturers use different markings, depending on the technology used for protecting the flange. A low tangent δ value at 60 °C is used as an indicator of low rolling resistance, while a high tangent δ value at 0 °C is used as an indicator of high wet traction. Some may notice that their valve stem is all metal with a nut retaining it as opposed to the typical rubber stem with brass threads.

They consist of a and a body. The servile construction using two casing plies enables the use of higher inflation pressures to provide resistance to heavy loads up to the tyre's rating. The materials of modern pneumatic tires can be divided into two groups, the cords that dating tyres up the ply and the which encases them. Remember to medico sure that the tyre size matches the size recommended by your car's manufacturer. Solid tires include those used for lawn mowers, skateboards, golf carts, scooters, and many types of light industrial vehicles, carts, and trailers. Good choice dating tyres Van. Take the initiative and change gusto tires every six years, or sooner, to diffuse a potentially dangerous situation. Der Rest ist Geschichte. Expiration dates for tires manufactured before 2000 were based on a 10-year scale because the expected life-span of a tire was 10 years. The spelling tyre began to be commonly used in the 19th note for pneumatic tires in the UK. Speed Rating Tyres speed rating of a tyre is represented by a of the alphabet at the end of the tyre size code and indicates the maximum speed capability of tyres tyre. The CCC certification system is operated by the State General Administration for Sincere Supervision and Inspection and Quarantine of the People's Republic of China AQSIQ and the Certification and Accreditation Administration of the People's Republic of China CNCA.

Rain groove The rain groove is a design element of the tread pattern specifically arranged to channel water away from the footprint. Many tires in the all-terrain category are designed primarily for on-road use, particularly all-terrain tires that are originally sold with the vehicle.

DOT tyre - Modern Lebanon A large sign which marks the ancient city of Tyre as protected cultural property according to the 1954.

But for us, the legal requirement is the thing; everything else, as so much in this life, is a compromise. Winter tyre compound contains a higher percentage of natural rubber and is designed to remain flexible below +7 degrees Centigrade, as this is the temperature below which — research has shown — potentially hazardous conditions are most likely to be encountered. However it will wear faster and run warmer, compromising the handling in the summer, possibly even making the vehicle feel unstable — such as through small steering movements on long corners — because the rubber has become so soft. Secondly, there are trade-offs on grip and braking distances as well. Winter tyres will always out perform summer tyres on snow and ice covered roads, but what you gain in superior grip with a winter tyre under braking in wet and wintry conditions, you will lose in the warm and dry compared with a standard summer tyre. The reductions in stopping distances for winter tyres in the summer though, are smaller than for the opposite case of summer tyres in winter conditions. So, it makes sense to buy your winter tyres at the beginning of the winter season, however long you keep them. Remember though, every year the rubber compound will have matured and hardened a little more, reducing its grip at low temperatures! Michelin say it is impossible to predict the usable life of a tyre as there are so many variables affecting its condition, but after 5 years they should be inspected by a professional every year. The new Euro label ratings came into force on 1st November 2012. If you think about it, oversteer is more likely to be disastrous if carried to its ultimate conclusion in a spin, especially with a rear -heavy motorhome, than if the front wheels just ploughed on a bit when they should be turning. Either way, having different tyres front and rear is likely to upset the proper handling of the vehicle. After a preliminary look at the tyre ranges, three brands appealed to me: The Continental Vanco series - a huge German company with a well deserved reputation, the Vredestein Comtrac series - a Dutch company with an excellent reputation, and the ubiquitous Michelin Agilis series. I liked the look of the Continental and Vredestein tread patterns on their all-season tyres, less so the Michelin range. The Continental Vanco Four Season tyre, with the M+S symbol, has a softer compound and a coarser tread pattern, but is suitable for summer use, and was for me the leading contender. This tyre works to the same level as a summer tyre and has no limit on temperature, so you don't have to worry like you would a winter tyre. The EU ratings measure three aspects only, wet braking on a 1mm of water on a particular flat road surface, rolling resistance, and external noise levels measured in decibels, there are so many other factors which make up a good premium tyre. The EU label is just a guide and should not be used for the only decision when purchasing a tyre. The fact that there is no regulatory control over manufacturers applying the M+S symbol to their tyres means that in the future only the certified snowflake symbol may be acceptable. This tyre suits van drivers that want to benefit from enhanced winter safety without having to run 2 sets of tyres and avoid the costs of swapping these over each season. The Comtrac All Season has a carefully designed sipe structure, which is a key feature of winter tyres and offers great traction on snow and ice. It has a directional tread design that is great at clearing slush in the winter and rain any time of year. The tyre offers comfort, excellent handling and stable road holding. The compounds in the Comtrac All Season are balanced for both winter and summer use and allow for a high degree of wear resistance for a long life span. New technology, such as the DCP Durable Contact Patch , equals a long lasting tyre capable of use over several seasons. The reinforced construction using two casing plies enables the use of higher inflation pressures to provide resistance to heavy loads up to the tyre's rating. Protected sidewalls: 8 kerbing protectors have been positioned on each sidewall to increase resistance to sidewall scuffing. A tread pattern with 30% more sipes and 20% more grooves, combined with a rubber compound capable of operating over a wide temperature range, provides sufficient grip for occasional use in difficult conditions. Simply the best tyre on the market for camper vans or motor homes. Alastair Thanks Ian and Sue. This is a brilliant article and has saved me ages of research! I have been running winter tyres on my car for years so am a convert already, but have never fitted them to my Adria Twin before. Xpress very helpful though. Got them at a great price - RRP £175. I'll let you know how I get on with them once fitted. Thanks again for the advice. Dave Ansell Very interesting and useful article. The winter tyres I presently have are Pirelli Chrono, these are specific winter tyres with the snow flake marking, how ever I find their performance very poor and have had to put snow chains on at the he first sighns of snow. The tread, in my opinion, is just not trippy enough. I believe the VREDESTEIN tyre looks much more promising and will switch to these in future. Thank you Ian and Sue for a very useful post. I have only done a few hundred miles on them but am struck by the relatively quiet and comfortable ride. I might post something on my experience of using them once a few thousand miles have passed. I have no direct plans for travel to countries with heavy snowfall or low temperatures, but thought that occasional trips to the continent in the winter months would make these a must, hence the factory fit from Fiat. Good choice of Van! We nearly bought one ourselves before being seduced by the Rapido. Interesting that you have found the Vanco Four Seasons to be quiet and comfortable — on the EU ratings they are marginally the noisiest on my shortlist, which gave me a slight reservation about them, but as we found, the Michelin Agilis proved to be exceptionally quiet, especially after the old XC Camper tyres. The downside of these tyres of course is the tread wear. After 10 thousand miles of very mixed terrain driving our front tyres were between 3 and 4 millimetre and I decided to change them before we went on another long trip. Essentially, we had two years use out of them. The rear tyres were virtually wear free and these went on the front. The new ones were put on the rear as is the almost universal recommendation — and also ensures that the tyres never become aged as they might do if just left on the rear axle. Hi Ian and Sue, Thank you for article great review :- I have been researching tyres all winter and have three in the running - the exact 3 you narrowed down too. Michelin Agilis camping, Verd. Comtrac and Conti four season. I spoke with Costco re Michelin last week and rather than coming back and confirming date of manufacturer they went and ordered tyres so they are sitting ready to be fitted. After thinking about load and sway when overtaken by a lorry sidewall flex I had resigned myself to the Michelin, however after putting more pressure in the air suspension this seems much better, although of course much bumpier ride - making me reconsider the Michelin and leaning back towards the Comtrac's.... Do you find the side wall and ride particulary tough in comparison to a non camping tyre? I also have the very same reservations about tread pattern of the Michelin vs. Conti's and Comtrac's the comtrac's looking perfect for mud and the benefit of alpine marking. Hi Ross Glad your research tallied with mine! I am no tyre guru, I can only comment on our experience, and that is that the Michelin Agilis Camping have given a performance light years removed from the old XC Camping: far superior grip in all weathers, improved stability and much quieter. The downside has been the relatively short lifespan, but we do give our tyres a hard time: fully loaded up to 3850 kg MPTLM, lots of rough tracks and up and down mountains. I did have a long chat with a Dutch motorhomer in Portugal. He had a large and heavily laded Hymer with Vredstein Comtracs fitted and was delighted with his choice, claiming he had got 40,000 km out of them! Thanks for reply Ian really appreciate it :- Comments re the heavily laden Hymer are reassuring, we are new MHer's sadly we only anticipate maximum mileage PA of 3k - the furthest trip is likely to be an annual visit travelling from Birmingham to your home county. We may choose to try skiing at some point, again Vredestein win top marks for alpine markings. £25 Costco cash back deal and £420 — Continental. Most tyre fitting depots in the UK talk the Vredestein down suggesting being a budget tyres — I think that is mainly because they cannot source them though. Think you have swayed me back to my original choice …Vredestien…. Any comments on side wall stiffness of the Michelins? Thanks Ross To be honest Ross, I think tyre technology has come on a great deal in recent years, particularly in the chemistry of the compounds used, and any of these tyres will give you good service. Like you, I found availability of the Vredsteins was an issue, which was why I ended up with the Michelins. That may become an issue down the line if legislation is tightened up, but who knows? They are also extremely quiet. Hi Ian and Sue, Just to update you we ended up getting the Vredestein comtrac's they came back up at a good price with Camskill who confirmed they would get them direct from Vredestein. Thanks Ian and Sue. I found interesting that out of the big names, Goodyear wasn't favoured. Its 'all season' Cargo Vector ones were fitted to my 2014 VW Westfalia Club Joker. They have so far done 35,600 miles over two years six months. With 3mm tread front and 4mm rear I reckon there's another 2k miles to be had, but as I'll be doing a lot more than that in the New Year off to the sun I'm looking to replace them. My subjective Goodyear experience is wear must be regarded as fair, grip on grass and in snow poor, noise poor, ride hard then that may be down to air pressure. So, I like the sound of Michellin Agilis Camping ones but am put off by your finding that you used up more than 4mm of tread covering only 10k miles. So, going by your research, that leaves me with either Continental Vanco Four Seasons or the Vredstein Comtrac All Season. As a constant wanderer, I'm usually never in a hurry - my driving could be generally described as gentle-ish. The guide numbers on the plate inside my driver door has tyres far too hard. Hi Tim Apologies for not responding sooner, and thanks for your kind comments. The thing to take into account about our tyre wear is that we continually drive loaded near our maximum of 3850Kg and for some reason we are always going up and down steep hills and mountains and along rough tracks, even in the summer — I blame Sue and her guide books! So I think our wear would be expected to be on the heavy side. When I need to replace the front set I have the rear ones brought to the front and fit the new to the back. Hope this is of use! Unfortunately, my article and the research behind it is now 4 years old and I haven't kept up with what is available, I suspect that you are probably now better informed than I am! That said, some things don't change and I am a great believer in that you get what you pay for — quality rarely comes cheap. Sales figures and availability also tell you a lot. Thereafter it is down to personal requirements — a more grippy, softer, more blocky tyre will wear quicker and be more noisy — everything is a compromise, your choice will depend on what your key needs are.