Calculate metric or inch tyre dimensions and compare to similar tyre sizes. Fenders. Discover our interest free finance options. Your tyre size can be found on the sidewall of your existing tyres. Reply Australia; RG.I [2012 . If you have an accident with an illegal 4WD, what happens? The only exception is if there are larger tyres in your model range; see this for more information - 50mm tyre size increase. The diameter of 205/60/16 is 652.4mm. Bigger tyres make your 4WD brake poorly, and suspension lifts add to the chance of a roll over, so its not all that difficult to prove they contributed to an accident. I have been looking into this for my SUV 44 x-trail. Get your wheels professionally aligned (every six months). The overall diameter of the wheel and tyre combination cant be more or less than 15mm larger or smaller than specified on the manufacturers tyre placard. This area isn't so Note: Tyres showing wear on one side, or showing feathered edges to the tread pattern, are often indicative of mechanical maladjustment. Tyres must also meet several test standards, including resistance to bead unseating and tyre strength, as well tyre endurance and high-speed performance. %. If I do not have engineering approval, will the police give me a yellow sticker? Toyo OPAT2 - LT285/65R17 121S - That's a 121 . As we have increased 20 mm width for the upsizing tyre, therefore, the . Suggest you use the right terminology. Rest assured, our staff have the experience and the know-how to find the right match for whatever fitment you are looking for. 13 inches - 5 tyres. 2. There are three main ways of measuring/checking your tyre tread depth. I dont mate, but Im told the guys at Regency should be able to give you a list. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. Our tyre calculator makes this happen for you. . 4) Rim diameter in inches. 265/70 R16 - 30.7" 265/75 R16 - 31.6" 275/70 R16 - 31.2" . NSW light vehicle modifications code of practice. This size fits without any rubbing problems, and no trimming or additional modifications are required to make them function properly. and Terms of Service apply. Too much or too little air causes uneven wear, reduces handling and grip, and shortens the life of the tyres. No, I would say you cannot. Learn more about how it works, A tyre comparison guide to help you with your decision making, Wheel alignments are critical to balance the tread wear and performance of your new tyres, What is a wheel offset? . The Prestige being the top-of-the-pops 44 model with various extras including low range. Disclaimer:Tyre interchangeability is not always possible, so be sure to Table columns headings: Column "Diff" may have percentages in the range from -3% to +4% (+5% for Winter tyres), which are allowed. Need vehicle servicing, repairs, accommodation and more for your business vehicles? Every tire size has the measuring rim and the approved rim width range. Plus One, Two and Three; at the same time, by clicking on the "Show Plus One, Two 'n Three Tyre Sizes" - the blue button. It can also go the other way, adversely affecting the way a car behaves on the road. That model may have larger brakes; the only way youd know is to ask on a Suzuki Vitara Facebook group. RD = 664.4. You may also like to try the Tyre Size Calculator. An Xtrail will go to a lot of places. Multiply a tyre's width by the aspect ratio to get aspect height (205 x 0.55 = 112.75) Convert into inches (112.75 / 25.4 = 4.44) Double the aspect height (4.44 x 2 = 8.88) Add inside diameter of tyre (8.88 + 16 = 24.88) When changing tyre size, the tyres should not have more than a 1% difference in diameter - less than 0.5% would be ideal. It is the part of the tyre that comes into contact with whatever surface you are driving on - from smooth highways to muddy off-road terrains. Check out our guide for answers to all your questions. I'm in NSW the anal state . In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturers specified wheels without needing to notify the Roads and Traffic Authority (RTA). When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Some examples include: 1. Wheel Fitment API ; . Inspect for uneven bulges, cuts and cracks. Buy now. difference between an optional tyre(OT) and the original equipment(OE) tyre fits within the range of -3% to +4% Every 4WD should have a sticker which details the factory tyre size. The problem though, is that too many people are unaware of what the implications of having modifications to their vehicle can result in. Tip: To determine if the tyres you have selected require certification you need to look at the tyre placard fitted to the vehicle by the manufacturer. eg. This is not the only legal tyre size. Tire Conversion Chart Bolt Pattern Finder Tire Pressure Calculator Tire Height Calculator Metric Tire Conversion Tyre Size Calculator Tire Height Chart All . Aspect Ratio: The height of your tyre from the base of the tread to the rim, as a percentage of the tread width. 3) Radial construction. In fact, the actual diameter of 8.25-16 is 865mm. Make it a habit to check them once a month. If we have a look at two tyre makers product lines that we have experience with in here at Adventure 4WD there's a couple of alternatives that offer far better strength. If one of the tyre sizes marked on the placard (eg 215/65R17) matches the marking on the tyre sidewalls, certification is not . I think there is going to be a lot of cracking down in the near future! Column "Winter tyres only" that has an asterisk in a table row, means that the row tyre size is acceptable only for It calculates the tyre dimensions for plus sizing. Larger wheels and tyres may look sexy, but make sure they adhere to the law and keep your insurance company happy. Please choose a category from the left menu. . We have tyres to fit all your driving needs and all budgets. Our tyre size comparison calculator takes the measurements of two tyres and compares the overall diameter, tread width, sidewall, and difference percentage (%). Great to hear your engineering was so cheap. 8. I think they do this as its the only measurement that goes up with increased tyre size, suspension and body lifts. Ok now add the revenue earners into the fray and you are behind the black ball, without any sense of engineering principals of strength and capability they are totally reliant on the lowest common denominator, the specs. For a lot of four wheel drives, 31 inch are standard tyres, so 33 inch tyres are the biggest you can legally fit (or 285s from 265s). For example, if you go from 33 tyres to 35 tyres, although they are 2 inches bigger, you only raise the vehicle 1 inch the radius change. Would be much appreciated. Our tyre safety tips provide practical advice: Keep tyres (including the spare) inflated to the recommended levels. The maximum tyre width allowed is 1.3 times the width of the largest optional tyre offered by the manufacturer. In this article, we'll discuss your tyre tread depth: what it is, its importance, and how to ensure your tread depth is still considered street legal. The article can be found here: http://www.rms.nsw.gov.au/registration/downloads/vsi/vsi6.pdf. . If so where can find this information? 4, issued 1 March 1994 Page 1 of 7. 2. OR. In WA, you can only lift the roof of your vehicle 50mm total, in combination of suspension lift, body lift and tyres. Can you travel Australia on $800 per week. Before lay down any money, it would certainly pay to have a close look at the relevant documents to ensure that any mods you might accidentally do incorrectly wont land you in hot water further down the track. This post is referring to WA though. Online Tyre Size Calculator. Compare your new and existing setup and our tool will show you key measurements for accurate . Cause theres no were in geraldton that is willing to do it cheers. That's ok but it's not enough for the proper tire to rim fitment (read this). Guide to safely buying & selling a car online, Video: Police Highway Patrol car rolling on bald tyres, man claims, Tesla overtakes Ford in US brand loyalty survey, Tesla admits its semi-autonomous driving tech is not the worlds most advanced, Drive Car of the Year 2023 all the winners UPDATE, Vehicle emissions kill ten times more Australians than the road toll, research claims. At the end of the day, this is far more important than how far your 4WD goes off road. You are using an out of date browser. It doesnt consider any roof attachments; its just the factory roof height. Rim Diameter + 381.00mm. NSW In NSW you are allowed to fit wheels that are up to 26mm wider than the manufacturer's specified wheels without needing to notify the Roads and Traffic Authority (RTA). For finding the appropriate wheel for the tire size you may use our Select your tyre size and find the right car tyre for you. Those Suzukis go really well off road; I would give it a whirl on a beach under some controlled circumstances, and see how it is. It may not display this or other websites correctly. Overspeeding - especially when cornering Will They Fit - The No.1 Online Alloy Wheel & Tyre Fitment Calculator. you install the larger wheels on a car. So, if I were to put e.g steel rims from a lower-spec model, with 225/70/R16 tyres on, am I breaking the law, or voiding insurance? Just type in the metric fields and click convert to inches. Team-BHP Support . The difference in diameter between the two tyres is 8.9mm or 1.13% which is acceptable. This formula is used by the leading tyre manufacturers. Use our tyre size calculator to calculate the diameter, width, sidewall, circumference, and revolutions per mile of any tyre. legal tyre size calculator nsw. The sidewall and aspect ratio are used in metric sized tyres to determine the overall height of a tyre. The maximum allowed increase in track over the manufacturers specifications is one inch, or 25mm. Tires calculator. are for the OE tyre(i.e., stock tire). The second number on a metric tyre is to calculate the side wall measurement. Thread starter mikehzz; Start date Dec 16, 2016; M. mikehzz Well-Known Member. And for 4WD owners and prospective buyers the big news is this: "Allows ride height to be increased by 75mm; comprising 50mm suspension and 25mm wheel/tyre without requiring certification under . I cant speak for Tas mate. If you have an accident and they trace it back to the fact that the tyres youve fitted contributed or caused it, you will be in trouble regardless of what insurance you have. Any modification which directly contributes to an accident is extremely likely to result in a reduction or declining of your claim. Yellow stickers can be issued for a huge range of things, from engine modifications that are not approved through to tyres sticking outside of the guards, oil leaks, cracked windscreens, perished seatbelts, big lift kits or bald tyres and the list goes on! Upsizing or fitting taller / larger tyres will reflect a slower speedometer reading than your actual speed. If you are going to be lifting vehicles, you need to look at VSB 14. What are the shipping charges to my area? The chosen wheel will determine the real tire size when the tire is fitted on the wheel. Additionally, wheel width cannot be increased by over 25mm of the widest factory option without needed certification. I will probably go 225/65 r17 as the 235 Tyre takes me 1mm over the max 75mm in Victoria. This means the maximum size is actually 813.3mm. I thought 265/75/16 was more common than 70/16? 378 0 obj <>stream Its only the inch below the diff that raises the vehicle. In the last two years more than 160,000 calculations have been made by over 33,000 people! In Western Australia, VSB 14 has been adopted, which is a document that goes through the large majority of modifications done to vehicles, and what is legal or illegal. 205/60R16. Ive spoken to insurance companies on the past, and told them of lift kits and bigger tyres on several vehicles, and they all say Sure, no worries, Ive added it to your list of modifications and you are covered. Unless you planning on doing serious off road work, Id get the 16s. Your tyre tread is what grips whatever surface you are driving in - be it a smooth paved road or a rough and rocky dirt trail. Many 4wds over here are modified, my 2012 hilux has 31s and a 2 lift. This is where things get a little interesting just because you are running a lift kit and bigger tyres does not necessarily mean your vehicle is unsafe, providing the work has been done correctly with quality components. Any thoughts? 215 / 60 R16. The #vanlife world needs an off-roader, is the Ford Transit Trail the solution? It also solves the problem of deciding what tyre you would like to run if you have inch . Factory standard tires on the MR Triton is between a 245/70R16 or 245/65R17 or 265/60/18 which all roughly equate to . Effectively, you are limited to a 50mm bigger tyre and 25mm suspension lift without engineering. The tire size comparison calculator takes the measurements of two tyres and compares the diameter, width, sidewall, circumference, and revolutions per mile. The overall diameter of 8.25-16 is 32.5, which is only 1.5 larger than the factory tyre. That is of course, unless there are other models in your range with only cosmetic changes that run bigger tyres. Interest free. I know this, as Ive been on it (cant remember the address) and I have spoken to engineers who have looked this information up in a matter of minutes. An interesting write up. This is perfect for us, as a 265/75/16 (one of the most popular tyre sizes around) is 803.9mm. select your original equipment(OE) tyre size, the new wheel/rim diameter The Drive Team brings you trusted, expert reviews of your next new car and is home to the best new car awards program in Australia. Plus Sizing your tyres can be also referred to as stepping up. Wheel/Rim Size Calculator in which Example: 285/75R16 (285 X 75 / 2540 x 2) + 16 = 32.8 inches tall. This is an increase of 25mm over the previous Queensland rule that allowed a total of only 50mm (suspension) lift on ESC-equipped 4WD vehicles. Home; PDF. Rim will stick out 18 mm farther. JavaScript is disabled. 3. There are many more possibilities and choices in metric tyres so the use of a tyre size calculator can come in handy. Cop at an rbt chatted me about the 285/75r16 tyres that have been on the 80's wheels for the last 7 yrs. Thanks for the information. It will take longer for your brakes to stop the car on wet surfaces. This second number is that percent. For example, for cars manufactured after 1973 and weighing more than 1201kg, the maximum increase is 51mm. should be the OE tyre size) diameter. 175/65R14. 5 - supersedes Rev. Black Ice 2007 Nissan Navara ST-X 4x2 V6 6 Speed . Cheers. Are we allowed to run 37s as its with in the 7% guideline? Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. Use the tyre calculator to populate a list of alternate tyre sizes. A race 225 width tire on a 6" wheel will perform better than a street 225 width tire on 7" or 8" or 9" wheel, or a street 245 width tire for that matter (if the car has enough horsepower). My request at DOTWA was rejected on this basis. select OE tyre size. Chris. Body lifts and suspension lifts are also limited in height, varying from state to state. Legal Disclaimer Tire Pressure Calculator Limitations. Using our Tire Size Calculator, you can get exact measurements for your current tire size. I think ive understood that the diameter cannot exceed 50mm, what about width? Tire Calculator Notes: Tire diameter can vary slightly for each tire model. If you look at the modification rules on vicroads it talks about specified by the vehicle manufacturer for that model or vehicle series. If that's the case, the tyre's greater sidewall height (shown by the aspect ratio) might make up the difference in rolling radius. They need to make things standardized across the country, and get the police on the same page. Pay for it later - in four equal instalments. Do you know of any engineers in SA that could sign off a 4 wheel drive? Modify or construct a vehicle. Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. For more tyreand wheel information check this Vicroads PDF. Our specialised tyre experts are here for all of your tyre puncture needs. Details. specific new wheel diameter you've entered, aren't all suitable for your car. Read this for more information 50mm tyre size increase on models in your range. Vehicle Standard (Australian Design Rule 95/00 -Installation of Tyres) 2018. When you fit larger tyres, the vehicle height only goes up by half of the tyre height difference. At the RTA (NSW) they said a 750R16 is the same diameter as a 235/85R16. Then as a bonus it shows examples of your speedometer reading with the first tyre, and the actual speed you"re traveling if you were to install the second tyre. 2) Percentage height of the sidewall in relation to the width. The final figure you need to know is the overall rolling diameter. Tire Size Comparison. Its pretty common to see big 4WDs driven daily on the road. Expand. RD = 258 + 406.4. Developed in association with the NSW Vehicle Standards Working Group . the 285/75R16 is a legal tyre . The sidewall height is a percentage of the width of the tyre. With that being said, Tyrepower recommend you should consider changing tyres at around 3mm of tread, rather than waiting for the minimum allowable depth. If your tread depth is less than 3mm, you should consider replacing your tyres. Tire Size Calculator is an app that gives you concise info and intuitive interactive ways to help you: 1. Your personal driving style So its a fake 44! How to Make Sure Your Tyre Tread Depth is Not Illegal. Im not sure what the regulations are over there, Thanks for that.I will give them a phone call. Use our comprehensive online wheel size calculator to visualise different alloy wheels and tyre combinations. size and click on "Show Optional Tyres for the New Wheel" - the orange button. South Australia has a regulation: The overall diameter of a wheel and tyre fitted to a vehicle must not be more than 50mm (4WDs) or 15 mm (other vehicles) larger than the largest tyre size listed on the tyre placard. As with most other jurisdictions, the wheel must be contained within the bodywork of the car, including wheel arch flares. Tyre tread also helps to: Drain water so your tyre stays dry to avoid any accidents. Find out about the rules, regulations and standards for constructing or modifying a vehicle in Western Australia, including modifications to heavy vehicles and vehicles for people with special needs. 1 inch lift and 2 inch bigger diameter tyres (together). On top of this, if you do any towing, there are 7 weights that you need to comply with, which confuses everyone. All of these things (and many more) can contribute to having an unsafe vehicle. Getting a yellow sticker off your vehicle can be a pain, because even if the Police only pick one or two items that need attention, in order to pass the vehicle examination everything is scrutinized. Ive written a very, very simple guide that explains it all: Towing capacity; a simple guide to keep you legal. Find the series of numbers on the sidewall. These safety standards are specified in the Australian Design Rules (ADR), and they include the following: The wheel and tyre must be effectively covered by a guard. And I just have the third party insurance, My car is not covered by the policy. Its not a huge difference between the two but the profile difference between 75% of the tread width and 70% can be enough of a difference to put your speedo out of whack too? For example, a 205/55 R16 tyre has the same diameter (631.8mm, radius of 315.9mm) as a skinny 125/80/R17 space saver. It's NSW reg'd and passed rego inspection just two days ago. This measurement is taken from the wheel to the outer circumference of the tyre and is a percentage of your tyre's width (55% of 185mm). This ADR specifies the labelling and construction standards of tyres fitted to Australian cars. Ford Ranger Raptor ready to rip in for NSW police! Misaligned wheels Tire diameter measurements vary for each pattern or brand. In my case. This is a compliance notice which can only be removed by a qualified vehicle examiner once the vehicle is brought back to roadworthy standards. It is similar to 315/75/16. As the tread depth gets shallower, going down from 8mm to 5mm to 3mm and so on, your tyre will lose its ability to grip and stay on the road. The most popular Plus Sizing methods are: All these plus sizing methods require a larger replacement wheel/rim, whose You can find a list of engineers to speak to here. Calculating Sidewall Height: The sidewall height of our stock tyre is 65% of the thread width (185/ 65 R15). Incorrect tyre pressure The listed diameters are from calculations based on the tire size. So which websites do 1inch lifts cant seem to find any. difference between general purpose and special purpose processor . A very useful tyre calculator when searching for tyres that are a different size then stock. Ensure tyres have adequate tread depth. . The only exception is if there are larger tyres in your model range; see this for more information 50mm tyre size increase. As with some other jurisdictions, you cant increase or decrease the diameter of the wheel by more than 50mm. So, how does an illegal 4WD add risk to the driver? OT tyre diameter from the OE tyre diameter. However there are maximum limits that an inspection authority can certify. Ive heard this too. You can also run comparisons between different tyres and work out the differences in size and odometer corrections. This site is protected by reCAPTCHA and the Google Privacy Policy Its hard to get this sort of information from insurance companies too, but perhaps it would be worth a go. They are placed by manufacturers to help ensure your safety on the road. Does this law apply in vic as i see lots of 4wds over the size limit for lifts and tyres. 7.00R16. Vehicle Standards Information . for the selected tire size. Rim diameters cant exceed those specified by the manufacturer, although plus one and plus two wheels and tyres are allowed so long as the overall diameter of the large rims and fitted low profile tyres dont exceed the manufacturers diameter specification. Designed & Developed by Pat Callinan Media. The thing is it came stock with alloy wheels and 225/60/R18 road tyres. It sounds like you are legal, despite the police not being on the same page. You are also not allowed to fit tyres that are more than 50mm bigger than the factory tyre diameter. Suck it guys. 195/65R15. One of the main points here that is important for 4WDers is the one that relates to tyre size modification. Save up to 40% online. The most likely place tyres will rub is near where your accelerator is, when you are full locked one way and the tyres flex up. you needs, but only to give you a suggestion in your quest for the final answer. A great, cheap option for light trucks and vans, providing low noise and comfort on the road. DPF is not in every diesel..they were trialed in automatic Nissan D40 for example in 2009/10then removed..my 2011 auto does not have a dpfplease get your facts right before you publish Put safety first when using the road and ensure youre performing regular tyre examinations and tyre maintenance. Tire Deals/Promos Readers Rides Contact. If you want this, you need engineering approval. Cheers mate. Have a chat to ARB they might have a spring setup that suits. Discover our interest free finance options. Outside Diameter = 778.50mm. Insert the coin into the tread grooves on your tyre. See changes to diameter, ground clearance, speedometer and get guidance.
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