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What does the 265 70R17 mean?
This number indicates that your tire has a width of 265 millimeters. 70. This number means that your tire has an aspect ratio of 70%. In other words, your tire’s sidewall height (from the edge of the rim to the tire’s tread) is 70% of the width.
What do the symbols on tires mean?
There are two common grading systems for tires to help identify winter tire traction capabilities. All tires that pass certain winter tire traction tests can be marked with a symbol molded onto the side of the tire. One is the M+S (mud and snow) symbol, and the second is the mountain/snowflake symbol.
What do the codes on a tire mean?
The two-digit number that usually follows the tire’s section width tells us the aspect ratio, or tire profile measurement. A lower aspect ratio means a lower-profile tire with a shorter sidewall, while a tire with a higher aspect ratio will have a taller sidewall and look more like a donut.
What does 113 s mean on a tire?
load rating
113 is the load rating, it means the tires can handle up to 2535 lbs. S is the speed index, which means the tires can go up to a speed of 112 mph.
What size tire is 255 70R17?
Plus Sizes
| 255/70-17 | 285/70-17 | |
|---|---|---|
| Diameter inches (mm) | 31.06 (788.8) | 32.71 (830.8) |
| Width inches (mm) | 10.04 (255) | 11.22 (285) |
| Circum. inches (mm) | 97.56 (2478.09) | 102.76 (2610.04) |
| Sidewall Height inches (mm) | 7.03 (178.5) | 7.85 (199.5) |
What is the difference between a 275 and 285 tire?
The 275 tire is about 0.55 inches or 15 mm smaller than the 285 tire and their speedometer difference is also about 1.7 percent too. With regards to sidewall height, the 275 is slightly taller than 285 but revolves just a shade slower than the 285 tire.
How to read tire sizes?
– Locate the tire’s sidewall, which is the portion between the wheel and the tread. – You will see several notations on the sidewall, including a brand name and a model name. – The tires’ size will be prominently listed on the sidewall. This is a string of letters and numbers that usually starts with “P.” For this example, we’ll use P215/55R17 tires, – “P” refers to the fact that a tire is P-Metric, which means it meets standards put in place in the United States for passenger vehicle tires.
How to read tire codes?
– Tire Class. The tire class is indicated at the beginning of the tire code. Typically, you’ll see the letters P, LT, or ST, or no letters at all. – Tire Width. The three-digit number following the tire class is the tire width. The width is the distance of the tire from sidewall to sidewall in millimeters. – Aspect Ratio. The next number, which comes after the forward slash, is the tire’s aspect ratio. – Construction Type. The set of letters after the aspect ratio indicates the tire’s construction. For a P185/75 R17 82S tire, the “R” means the tire has a radial construction. – Wheel Diameter. The next set of numbers is the wheel diameter, or the distance from one end of the wheel to the other. – Load Index. The last section of numbers refers to the tire’s load index, which is how much weight the tire can handle if inflated properly. – Speed Rating. The last letter of the tire code is the tire’s speed rating, which is the max speed the tires are rated for in ideal conditions. – Treadwear, Traction, & Temperature. Along with the tire code, every tire lists the ratings for treadwear, traction, and temperature. – Tire Compounds. Tire compounds are usually made of a combination of natural and synthetic rubbers. – Tire Tread Patterns. Another thing you want to consider when choosing your next set of tires is the tread pattern.
What do the numbers on a tire mean?
P —The P in the beginning of this number stands for the type of tire you have.
How does tire size read?
A tire’s dimensions can be determined by reading the markings on the sidewall. An example tire size is 245/45R18, which tells us the width, sidewall height, internal construction and matching wheel diameter.