In the last two years more than 160,000 calculations have been made by over 33,000 people! What sets us apart is our tyre suggestion guide. In many cases, unless the assessor is very knowledgeable, or your vehicle is obviously unroadworthy, your claim will slide by with no problem at all. 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). Its pretty common to see big 4WDs driven daily on the road. simple it might look on the first sight, it requires a tire professional with an experience and testing Suck it guys. This site is protected by reCAPTCHA and the Google Privacy Policy Assuming that this is OE wheel/tire and there are no any problems with clearance on both sides. To be considered roadworthy your tyres must be free from cuts, cracks . Tire Size Calculator. Incorrect tyre pressure Tire fuel efficiency-economy and Fuel efficient, low rolling resistance tires, Where to find the correct tire pressure for your car, High Load (HL) Tires for Electric, Hybrid Cars and Suvs, Tire Size Calculator - Compare Tire Dimensions, Tire Size Converter - Tire Size Conversion, Set Higher Winter Tire Pressure In Your Garage, Light Truck and a tire used on light trucks, Tire Size Conversion Chart - Metric to Inches - by RD, Tire Size Conversion Chart - Metric to Inches - by OD, Tire Size Conversion Chart - Inches to Metric - by RD, Tire Size Conversion Chart - Inches to Metric - by OD, Rim width range and Measuring rim width for Tire Size, Tire Pressure Conversion Charts - bar to psi and psi to bar, Tyre size chart, Tyre conversion chart, Tyre speed rating, In reality then, you are limited to: 1 inch lift and 2 inch bigger diameter tyres (together) 2 inch lift and the same size tyres. Plus One, Two and Three; at the same time, by clicking on the "Show Plus One, Two 'n Three Tyre Sizes" - the blue button. 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 . Ive written a very, very simple guide that explains it all: Towing capacity; a simple guide to keep you legal. What are the shipping charges to my area? A lot of people know their 4WDs are illegal, and dont seem to care. The thumb rule to calculate sidewall height says that for every 10mm increase in width of tyre, the sidewall height (or aspect ratio) should be reduced by 5%. So what happens when your tread starts to wear down? Expand. Rim is 8 mm closer to suspension components. The moral of the story here is that if your aftermarket fuel tank is a different capacity or mounted differently, ensure it comes from a reputable source that has already done the certification hard work for you. it really depends on the officer that pulls you over ,you carnt get 22 inch tyres with the legal load rating to suit the ve,the 22 inch wheel size is ok ,but put an hsv tyre plackard on just incase your . It calculates the tyre dimensions for plus sizing. Plus Sizing Calculator. Example: The height of this tyre is 65% of . However, theres always the slim chance that it doesnt go through and you could be in for a world of pain. The #vanlife world needs an off-roader, is the Ford Transit Trail the solution? maybe lol - need a Gingerbeers certificate if tyres are over 7%. between new tire and old tire. MC is 44 for off road use. New Size. Plus Sizing your tyres can be also referred to as stepping up. Tyres must also meet several test standards, including resistance to bead unseating and tyre strength, as well tyre endurance and high-speed performance. Table columns headings: Column "Diff" may have percentages in the range from -3% to +4% (+5% for Winter tyres), which are allowed. By changing the wheel track of your vehicle the handling changes. 31X10.5R15. Home; It probably is over regulated, but it does stop a lot of people doing stupid things too. How to choose the right tyres for my car? / R. select new wheel diameter size. In order to cover yourself, get any modifications that are outside of the regulations engineered. But what I would like to know is if I have my 4wd set up within all nt laws and then travel interstate with 100mm over all lift, am I breaking the law. A tyre tread depth gauge is a handy measuring tool that you can use to measure the tread depth of an individual tyre. Find the series of numbers on the sidewall. %. This second number is that percent. 2) Percentage height of the sidewall in relation to the width. Discover our interest free finance options. 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. We'll come to you - at home, work or even while you shop, A beginner's guide to the basics of tyres, Learn about all replacement indicators and how to maximise the lifespan of your tyres, Learn about the maximum load a tyre can carry, The tyre pressure needs to be checked regularly. Our tyre size comparison calculator takes the measurements of two tyres and compares the overall diameter, tread width, sidewall, and difference percentage (%). Simply pay in instalments. For more tyreand wheel information check this transport.qld. But do your own checks first because there is a 24 xtrail version. If you live in different states, then you will have to do some digging. At the end of the day the driver makes most of the difference. Taking into consideration looks and performance (reduced power, speedo, fuel economy) which size would you recommend? When it comes to these results, it is recommended that you only use options within 1.5% and -2%. eg. 198.75mm x 2 = 397.50mm. For example, in some parts of Australia you can legally run 50mm bigger tyres with a 50mm lift, but not in WA. Bridgestone Desert Dueler D697 - LT285/65R17 120S - That's a 120 load index = 1,400kgs and S speed rated = 180kph. It's time to get a new set of tyres to avoid possible blowouts and accidents. Therefore you need to find 20" tyres with a rolling distance that falls between 651.4mm and 679.4mm to be legal. When you fit larger tyres, the vehicle height only goes up by half of the tyre height difference. 378 0 obj <>stream the tire and wheel has to be adequate for your car. I think they do this as its the only measurement that goes up with increased tyre size, suspension and body lifts. h262P0Pw/+Q0L)662)Ic0i1P` If you have any questions about tyre sizes, please give us a call on 02 8880 4628 or you may find this online tool helpful. 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). Where you frequently drive I found this from Mr 4x4 in my inbox this morning. select your original equipment(OE) tyre size, the new wheel/rim diameter The chosen wheel will determine the real tire size when the tire is fitted on the wheel. If you want to know What is the legal lift kit height, make sure you also consider the tyre size change, as this is what usually catches people off guard. In Western Australia rims cant exceed the manufacturers specifications by more than 25mm, or one inch. The GU would be one of few that can legally run 285/75r16 or equivalent these days. Inch measurement tyres are fairly easy to understand however metric tyres use a more difficult system to read. Example: 195mm. size and click on "Show Optional Tyres for the New Wheel" - the orange button. tyre construction (Radial or Bias-ply), tyre speed rating, load capacity and maximum inflation pressure. Australia and New Zealand. the standard tyre size is 275/70r16, and I've gone with 285/75r16. 5 - supersedes Rev. So, be careful. Learn about all terrain tyres and when theyre best used. Need tyres? Factory Tyre size is 30.6. If you search, youll find that the term DPF is not mentioned anywhere in this article, so not sure what you are complaining about. NO need to pay twice for the same app! Shop for Tires. 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? Since the blitz in Qld, police in NSW have also started paying close attention to 4wdrivers that are lifted slightly over the limit. endstream endobj 380 0 obj <>stream Transport for NSW VSI.09, Rev. Every tire size has the measuring rim and the approved rim width range. The only other solution is you reduce the modifications done to the vehicle so it complies without the need of engineering. In other words, 1 inch goes above the diff, and one inch below the diff. width affects the tyre choice also, besides its diameter. 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. 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. Use this page to work out the radius, circumference and diameter of any size tyre. A tyre size conversion calculator or tyre diameter calculator are the best ways to get the answers you are looking for. We recommend you take the 20c test once a month and before any road trips. If that's the case, the tyre's greater sidewall height (shown by the aspect ratio) might make up the difference in rolling radius. Youve brought up a very interesting question. I have a 44 that runs 255/60/18 I wont to fit 265/60/18 because there is a greater choice of tyres .ls this legal . Tires calculator. Simply pay in instalments. If you want to read through the document, you can find it here. Disclaimer:Tyre interchangeability is not always possible, so be sure to In America, it is common for off road vehicles to see 4-6 inches of lift and 35-37 inch tires (usually on jeeps, not many twin solid axle vehicles left here) while saftey is important, the Aussie standards seem way over done. =Dbz1a|m QB!A>W5_4Q. Tire is 5 mm closer to suspension components. Cheers mate. That model may have larger brakes; the only way youd know is to ask on a Suzuki Vitara Facebook group. Example not requiring certification: Replacing 215/65R17 (712 mm overall diameter) tyres with 235/65R17 (738 mm overall diameter) tyres, an increase in overall diameter of 26 mm, or 4%. But thats illegal. For the purpose of this post, I will only touch on body/suspension lifts and tyre sizes. Online Tyre Size Calculator. Overall wheel rim width cant exceed 177.8mm (seven inches) unless specified by the manufacturer, and cars that are equipped with 177.8mm rims cant have higher width rims fitted at all. Please choose a category from the left menu. If it is over the manufacturers capacity, your vehicle is not legal. Your brakes may fail if you go any higher. The sidewall heights are:- 265mm. This tire calculator is for information . experience with the Tyre Size Calculator, RD = 258 + 406.4. But, the tires are the most important component by far. In other words, it says what is acceptable deviation of the The maximum allowed increase in track over the manufacturers specifications is one inch, or 25mm. If your tyres are about to hit the legal limit, consider replacing them with a new set from Tyroola. ProFleet, your fleet of vehicles gets priority booking at over 270 Tyrepower locations across if suspension flex is your cup of tea, you have either the wrong vehicle or as a weekend warrior either way you are close to home. For starters, lets consider what is legal, and then you will know where you stand right now. I'm in NSW the anal state . When changing your tyre size, stay within 3% of your original tyre's diameter and height. Find your tyre size based on its sidewall code. 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. . They will have less of an effect on your performance including braking, are more common and will be cheaper/easier to get in the scrub. difference between an optional tyre(OT) and the original equipment(OE) tyre fits within the range of -3% to +4% The problem though, is that too many people are unaware of what the implications of having modifications to their vehicle can result in. Factory standard tires on the MR Triton is between a 245/70R16 or 245/65R17 or 265/60/18 which all roughly equate to . You can also run comparisons between different tyres and work out the differences in size and odometer corrections. Any thoughts? If the tyres you are running are bigger than 50mm than the number stated, you have a problem. Speak to an engineer, but youll find the process of engineering is to make the vehicle safe in its condition. 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. Sometimes the tyre placard will show more than one tyre size, allowing optional tyres of that size to be fitted. In WA you can find it online, but I cant see that for SA. Tread depth is how much tread you have left on your tyre and is measured in millimetres in Australia. Lift Kits. This means the maximum size is actually 813.3mm. Our tyre calculator makes this happen for you. Under South Australian laws, wheel spacers are not permitted between the hub and wheel unless originally fitted by the manufacturer. legal tyre size calculator nsw. You may also like to try the Tyre Size Calculator. It also solves the problem of deciding what tyre you would like to run if you have inch measurements in mind but can't find a company that manufactures that inch size tyre. 7.00R16. If you have modified any of the following items on your 4WD itwould be a very good idea to do some reading up: That said, there are 32 ways to make your 4WD illegal which are pretty straight forward. Price Beat Guarantee Specials View Cart (0) Toggle navigation. The second number on a metric tyre is to calculate the side wall measurement. Puncture repairs must meet Australian standards. The overall diameter of 8.25-16 is 32.5, which is only 1.5 larger than the factory tyre. Perhaps you should re-read, before you leave comments that make you look rather silly. Any accidents caused by illegal tyres may not be covered by your insurance company. The formulas will also show you the matching ExplorOz Wheel covers that match your tyres. Tyre dimensions explained. More importantly, they all have fine print which specifically states that your 4WD must comply with the road regulations, and if it doesnt, refusal of claims can occur. 7. Join Date: Feb 2004. Just fill in the inch measurements you are looking for and it will calculate and exact metric version of that tyre. Cheap tyres. Our tool gives this in percentages: a positive number is larger/wider, while a minus number represents a negative change. Our tyre calculator makes this happen for you. There are three main ways of measuring/checking your tyre tread depth. any chance you could help me out mate? If you have bigger tyres than standard and a 2 inch lift (or bigger), your vehicle is also illegal. you needs, but only to give you a suggestion in your quest for the final answer. Vehicle Standard (Australian Design Rule 95/00 -Installation of Tyres) 2018. This size fits without any rubbing problems, and no trimming or additional modifications are required to make them function properly. The sidewall is the outer wall of the tire, rather than the tread that contacts the road. RD = 664.4. Save up to 40% online.
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