Bike tire dimensions: What does x40c mean? Tire dimensions are described using two numbers— for example x 40c. The first number refers to the diameter. Following the three digits identifying the tire's Section Width in millimeters is a two-digit number that identifies the tire's profile or aspect ratio. This is. So if the tire markings indicate P/45R17 91V, it means that the height of the sidewall is multiplied by or millimeters. The number 45 means. What Do Tire Size Numbers Mean? Wheel size numbers refer to the tire's diameter, the width of the tire, the diameter of the rim, and the distance from the. This refers to the width of the tire tread, measured in millimeters, from sidewall edge to sidewall edge. In the examples above (P/60R16 95S and LT/75R

The width is the distance of the tire from sidewall to sidewall in millimeters. For a P/75 R17 82S tire, the aspect ratio would be This means that the. identifies the tire section width, which is the measurement of the tire from sidewall to sidewall in millimeters. This measurement varies depending on the. **The first number is the width in millimeters and the second number is the height of the sidewall as a percentage of the width of the tire. So a.** What this means is the tire's proportionate height to width. P/75 for example means that the tire height is 75 percent of its width. Construction of Honda. Next, the number will be the width in millimeters. The aspect ratio will follow, measuring the tire height. This two-digit number is a percent of the sidewall. How to Read a Tire Size on a Tire's Sidewall · 1. Metric or Tire Type. · 2. Tire Width. · 3. Aspect Ratio. · 4. Construction. · 5. Rim Diameter. · 6. Load Index. · 7. What does my tire size mean? · The first three numbers of a tire size measures the width in millimeters from sidewall to sidewall. · If the tire size is / It should be noted that tire sizes in the industry are not exact. It is not unusual for tire dimensions to be slightly different than the tire markings. For. It also means that the overall diameter will be different from the diameter of the tire when it's not inflated. It's an important distinction, because you might. The last letter in a standard tire size indicates the number of layers used in the construction of the tire. If there is no letter, the tire has the standard 4. How Do You Measure Bicycle Tire Size? Bike tires are typically measured in two dimensions— diameter and width. The diameter measurement is an approximation of.

The measurement in inches of the wheel the tire will fit is called the wheel diameter. For example, the number “17” means your tire will fit a inch wheel. **If a tire has an aspect ratio of 70, it means the tire's height is 70% of its width. Lower aspect ratio tires, such as a 60 series, generally offer vehicle. Tires usually come in the following widths (in inches): 8, 10, 12, 13, 14, 15, 17, 18, 19, 20, 22, 23, 24, 26, and Tires in these sizes are typically found.** WHAT DO THE VARIOUS SIZE SPECIFICATIONS ON BICYCLE TIRES MEAN? · The ETRTO size specification indicates the width of 37 mm and the tire inner diameter of. The final number group, the “18,” is the size of wheel the tire fits. In our example size, the tire will fit a inch wheel. Some manufacturers build off-road. What are OE tires? OE stands for “Original Equipment”, meaning that the tires were approved by your vehicle manufacturer to come standard on your vehicle. This refers to the size of the wheel the tire fits on. Rim diameters often reflect common wheel sizes such as 14, 15, 16 and 17 inch wheels. Our example wheel. The first three numbers () indicate the width of the tire tread in millimeters. 60 is the aspect ratio or profile of tire. = Rim diameter and rim type. Rims with.5 in the size indicate tubeless or drop center rims, while rim sizes that are whole numbers indicate multi-piece.

A three-digit number will follow the tire type, and indicate the tire width. This width is measured from one sidewall to the other in millimeters. Aspect Ratio. In this example, P stands for “P-Metric Tire”, which means you have a passenger vehicle. You might also see “LT” for “light truck”. The aspect ratio is found by measuring from the wheel rim to the top of the tread. This number is a percentage of the tire width. For example, if your tire size. What /50R17 Means. The number identifies the tire section width (the measurement of the tire from sidewall to sidewall in millimeters). This tire has an. For passenger vehicles, load index ranges from 75 – “H” represents the speed rating, which is how fast the tires can go based on their load capacity. This.

**Tire Sizes Explained!**

A tire can only do its job of carrying a vehicle load when it's properly inflated. Vehicle manufacturers assign a tire size with a specific tire pressure to.