mph difference tire sizes
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Tire Size Comparison Calculator Speed Variance. When your speedometer reads mph with the new tires, your vehicle will actually be traveling at 70.00 mph, which is 0.00% faster than the original tires. Diameter Variance. The overall diameter variance of the new tire is 0 millimeters 0.00 inches, which is 0.00% different than the original. You should never go beyond 3% of the original tire, otherwise you run the risk of brake failure.
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- While a Z-speed rating still often appears in the tire size designation of these tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph, 240 km/h; the W in the service description indicates the tire's 168 mph, 270 km/h maximum speed. service description identifies the tire's load index and speed rating. Service descriptions are required on all speed rated (except for Z-speed rated) tires manufactured since 1991.
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- Best Answer: While a Z-speed rating still often appears in the tire size designation of these tires, such as 205/40ZR17, the Z in the size signifies a maximum speed capability in excess of 149 mph, 240 km/h; the W in the service description indicates the tire's 168 mph, 270 km/h maximum speed. 225/50ZR16 in excess of 149 mph, 240 km/h.
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A Simple Explanation of Tire Speed Rating If you’re reading your tire sidewall, the speed rating will be the last item in the character sequence in the tire’s size code. Below is an example of a the description on a tire’s sidewall: 2015/60R15 91V. Here, the tire would have a speed rating of V. V-rated tires can be driven at 149 MPH. TIRE DESCRIPTION
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Post Mpg With 265 Or 285 Tires Trying to decide which tires to get and I was wondering what is everyones MPG with the 265/75/16 or 285/75/16. I mainly drive city and right now I'm getting about 12mpg with the stock 245/75/16.Tires will be going on factory HD 16 rims. 2005 Chevrolet Silverado 1500HD 4x4.fter factoring in the 3%-4% difference in your speedometer/odometer with each step up in size, you will lose negligible fuel economy by going to a 265 or 285 in the same tire type and tread style.
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How Does Tire Size Affect Gas Mileage? How does tire size affect gas mileage? A: Larger tires are heavier and have more resistance on the road, which can drastically decrease the overall fuel economy of a vehicle. Larger tires may also require larger wheels, which can increase the weight of the vehicle. A driver is expectant to see up to a 10 percent loss in fuel economy when increasing a car's tire size.
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Tire Size Guide The use of P-metric sizes began in the late 1970s and they are the most frequently used type of tire size today. 225/50R16 92S. If there isn't a letter preceding the three-digit numeric portion of a tire size, it signifies the tire is a Metric size (also called Euro-metric because these sizes originated in Europe).
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Largest Bicycle Tire Sizes 29x2.25: Mountain Bike Tires. The 29-inch by 2.25-inch mountain bike tire, or 29er, is a beefy, large-wheel tire intended for big races and fast riding. The large wheel diameter of a 29er-equipped bike allows for lesser rolling resistance and better tracking over the smaller, standard 26-inch tires.
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"Speed Ratings: ""Sustained"" Speed? 2" An S-rated tire is nominally capable of a sustained speed of 112 mph. I'm sure that if you went 115 mph, it's not going to blow up. Or even 120 mph. But wait -- the next speed rating (T) is at the 118 mph level, so there must be a rather defined line between those two speeds of what a given tire can handle.
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- The average tire size is a 24 inch tire,and 8inchs wide. Generally classified as about 17 inches by 3 wide, the curvature (profile) may result in it being wider with a shall … ower curvature for mor power and sporting grip on higher performance machines.or example, if you measure a 622 mm tire, you will get  24.49 inches. If you put 622 mm to inches into Google, you will  also get 24.49 inches.    So one would reasonably expect to see 24.5-inch tires that would  fit on a bike like that.    Well they wouldn't and you won't.
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Is their a big difference between 245/75/16 & 265/75/16 Tires? Best Answer: The 245 or 265 is the width of the tire (in millimeters), so the 265 is 20 mm (or about 3/4 of an inch) wider than the 245.However, it sounds like you are more interested in the tire height.elevance. Rating Newest Oldest. Best Answer: The 245 or 265 is the width of the tire (in millimeters), so the 265 is 20 mm (or about 3/4 of an inch) wider than the 245. However, it sounds like you are more interested in the tire height.
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How To: Read a Tire Sidewall 2.) “ 40 ” : This two-digit number is the aspect ratio, or profile, of the sidewall. This tire’s sidewall height is 40 percent of the tire’s width, which equates to 98mm, or 3.86 inches. The lower the number, the shorter the sidewall..) “ A ” : This letter indicates a tire’s ability to dissipate heat. As heat increases dramatically at high speed, this is, in effect, a second, less precise speed rating. “A” means the tire can withstand speeds over 115 mph, “B” is for between 100 and 115 mph, and “C” means between 85 to 100 mph.
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Tires and Fuel Economy At low speeds, the tires and drivetrain are the primary resistance. Aerodynamics takes ever-increasing amounts of power at speeds above 50 mph. According to various studies done since the '70s, tires take 15 to 25 percent of the mpg bite at low speeds and 20 to 35 percent at freeway speeds.
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- Once the highest speed rating a tire could have, “V” used to represent a maximum of 149 mph (240 kph) or more. Nowadays, it means 149 mph but no higher. Speed Rating W. A relatively new addition to the speed rating chart, tires with speed rating “W” can achieve a maximum sustained speed of 168 mph (270 kph). Speed Rating Z A “Z” rating can mean different things.
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- Speed rating. A letter denoting the tire’s maximum speed when carrying the load defined by the load index­—and not how fast you should drive! Standard all-seasons are usually rated S (112 mph) or T (118 mph). Climbing up the scale are the letters H (130 mph), V (149 mph), ZR (149+ mph), W (168 mph), and Y (186 mph).
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Speed Ratings While a Z-speed rating still often appears in the tire size of some tires, such as 225/50ZR16 91W, the Z in the size signifies a maximum speed capability in excess of 149 mph; the W in the service description indicates the tire’s specific 168 mph maximum speed.
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Mountain Bike Tire Sizes But a few tires use millimeters for sizing. Also bear in mind that the sizes are not really precise. The 26 inch tire produced by manufacturers will have a few differences in fact. The mountain bike tire sizes stated here are those frequently used in the US. In other countries, they may use other systems.
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- Many tire sizes are printed in inches either on the tire itself or in advertising. Yet, many common tire sizes are not provided in inches, they are printed for example as 285/75/16. This makes it hard to compare tire sizes when shopping for your new tires. This tire calculator is designed to translate metric tire sizes into inches. To use this program you need three pieces of information. The tire width, aspect ratio, and wheel diameter. The following are the three easy steps on using the tire calculator. We will use a tire size of 285/75/16 as the example tire size. Enter the 1st number in the box to the right of Tire Width.
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Is their a big difference between 245/75/16 & 265/75/16 Tires? The 265/75/16 is both wider and taller than the 245/75/16. The increase in tire diameter would be enough to make the speedometer read slightly off (you will actually be traveling a little faster than your speedometer is showing).65/75/16 = 31.6 inches. Both of the tires you are considering are good choices for this vehicle, but I'd go with the 265's! Roughly 20 mm of tread width, and 20mm is about 1 1/2 inch. not a big difference at all. The 265's would be the larger tire overall.
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Thread: Tire Size/What does it mean?!? 65 = sidewall aspect ratio (in this case, the sidewall is 65% of the width). Z = speed rating R = radial belts 17 = wheel size in inches. The difference between a 120/65ZR17 and 120/70ZR17 is that the 65 will be about 12mm (1/2) smaller (in terms of height), meaning your bike will be 12mm closer to the ground.
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- Report Abuse. The 265/75/16 is both wider and taller than the 245/75/16. The increase in tire diameter would be enough to make the speedometer read slightly off (you will actually be traveling a little faster than your speedometer is showing).elevance. Rating Newest Oldest. Best Answer: The 245 or 265 is the width of the tire (in millimeters), so the 265 is 20 mm (or about 3/4 of an inch) wider than the 245. However, it sounds like you are more interested in the tire height.
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Lower Speed Rating FAQ-TIRES. …Speed ratings were established to match the speed capability of tires with the top speed capability of the vehicles to which they are applied. For example, an R-speed rated tire is designed for maximum speeds of 106 mph. Detailed information can be found in our tech article: How to Read Speed Rating, Load…. Recommended Tire Pressure | What Tires Will Fit My Car | What Size Rim Will Fit My Tire.
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How to Choose Bike Tires Road touring and racing tires: On road bike tires, you'll see a number pairing such as 700x23. The first number (700) is a size that roughly corresponds to the outer diameter of the tire in millimeters. The second number (23) denotes the actual tire width in millimeters.