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The two-digit number after the slash mark in a tire size is the aspect ratio. For example, in a size P215/65 R15 tire, the 65 means that the height is equal to 65% of the tire’s width. The bigger the aspect ratio, the bigger the tire’s sidewall will be.
How do you read tire numbers?
What does the 265 70R17 mean?
How to read your tire size long description. An arrow points to the numbers 265/70R17 115T on the inner part of the tire sidewall. 265 is the width, 70 is the aspect ratio, R stands for radial, 17 is the wheel diameter and 115T is the load index and speed symbol.
Can I use 225 tires instead of 235?
Can 225 fit 235 tires? Yes, they can. 225 tires are 10 mm narrower and 15 mm lower in height than the 235 tires. Besides, 235 tires are wider than 225, and so we recommend checking the owner’s manual.
What do the 3 numbers mean on tire size?
Tire Width Is the width of the tire measured in millimeters from sidewall to sidewall. The first three-digit number in the tire size refers to the tire width. For instance, in a size P215/65 R15 tire, the width is 215 millimeters.
What do all the letters and numbers mean on a tire?
The last grouping of characters, tied to the tire type, size and construction, represents the load index and speed rating. Also known as the service description, the number indicates the maximum load the tire can support when inflated properly, and the letter represents the maximum speed capability of the tire.
What does the 113S mean on tires?
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. The office is open between 9am and 6pm EST. Thank you for your interest. Priority Tire ✅.
What is P265?
Let’s take for example P265/60R18. This code gives you the following information about your vehicle’s tire: P = Passenger Tire (Light Truck Tires will begin with the prefix LT). 265 = Section Width in millimeters (measured at the widest part of the tire from sidewall to sidewall).
What size tire is 255 70R17?
Tire Size Calculator – Tire & Wheel Plus Sizing BETA Unit: Imperial Imperial Metric Rim Diameter 17.00 in Rim Width Range 6.50 in – 8.50 in Overall Diameter 31.06 in Sidewall Height 7.03 in.
Do bigger tires give a smoother ride?
Avoid bigger wheels if you want a smoother ride. As a general rule, bigger wheels result in a rougher ride. Switching to a smaller wheel and a thicker tire can give you a smoother ride without any major modifications to your car.
How much difference in tire size is acceptable?
When changing tire sizes, we recommend staying within 3% of the diameter/height of the original tire. Any more than this and you face the risk of brake failure.
Is wider tires better?
Overall, wider tires are better for dry surfaces and for high-performance vehicles. Greater surface area allows for better day-to-day traction and durability.
Can I use 245 tires instead of 235?
So you have already identified the difference between 235 and 245 size tires. It is obvious that 245 is bigger than 235, still, both tires’ sizes are pretty common and could be interchangeable at times.
What does 50r mean on tires?
50 is the two-figure aspect ratio. This percentage compares the tire’s section height with the tire’s section width. For example, this aspect ratio of 50 means that the tire’s section height is 50% of the tire’s section width. R indicates the construction used within the tires casing. R stands for radial construction.
What is the difference between a 60 and 65 series tire?
The 65% aspect ratio (as in 235/65/17), compared to 60%, adds almost 12 mm (1/2″) to the radius of the tire (0.65-0.60)*(235mm)=11.75mm.
How do you read tire letters?
TIRE SIDEWALL MARKINGS P =Passenger Car Tire. The first letter on a tire indicates the tire’s class. 245 =Section WidthTread (mm) 45 =Aspect Ratio. Z =Speed Rating S = 112mphT = 118mph. R =RadialConstruction. 19 =WheelDiameter(inches. 98 =LoadIndex. W=Speed Rating.
How do you read tire pressure?
Briefly press the small dot or bead on the back of the tire pressure gauge into the center of the valve stem on the tire. You should hear the air escaping the tire. Use the gauge to check the tire pressure. Repeat these steps until you’ve released enough air to reach the correct psi.
What does LT mean on a tire?
If a tire size reads, LT235/75R15 104/101S, the LT indicates that this tire is meant for Light Truck use. These tires are made for light-duty and heavy-duty pickup trucks (typically ½ ton, ¾ ton, or 1-ton load capacity), SUVs and vans.
What does 92w mean on a tire?
92w the first two numbers 92 refer to the load rating and the letter w refers to the maximum speed rating. 92=1,389 pounds (a mid-rating) and W=168 mph (extremely high!).
What speed rating is S?
Tire Speed Rating Chart Speed Rating Symbol Speed (mph) Speed (km/h) Q 100 mph 160 km/h R 106 mph 170 km/h S 112 mph 180 km/h T 118 mph 190 km/h.
What is H or V rating on tires?
H-rated tires are rated for a maximum speed of 130 mph. The V rating is the next rating faster, and V-rated tires are good to 149 mph. Both H- and V-rated tires are considered to be performance-touring tires.
