What do the numbers mean on Tyres?
The important number on the side of your tyre – the indicate the size, profile and the weight and speed ratings of your tyre. These number represent, in order, the section width (225), aspect ratio (45), construction (R), rim diameter (19), load index (92) and speed rating (W).
What is the meaning of T and H in Tyres?
highway/terrain
What is the difference between 185 70R14 and 175 70R14?
The 185 is the section/tread width in millimeters , so that means 185–175=10mm. The 70 is the aspect ratio of width to height of sidewall as a percentage, so 70% of the difference is 7mm, and you double that because there is a sidewall on each side of the wheel, increasing overall diameter by 14mm.
What do the numbers and letters 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 R stand for in tire size?
radial construction
Can you have 2 different brands of tires on your car?
Primarily, you should avoid mixing different tire brands and different tread patterns. There are rare exceptions for approved mixed-tire fittings, but in general, manufacturers do not recommend tire mixing at all.
What does 70 mean on a tire?
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 handling performance advantages over higher aspect ratio tires, such as a 75 series.
Is a higher load rating better?
Usually considered in combination with a tyre’s speed index, the rule of thumb is that tyres with a higher load index number are capable of carrying a heavier load capacity than those with a lower number.
Is it OK to fit Tyres with a higher load rating?
However, always check first in your vehicle’s manufacturer documentation if these tyres may be fitted on your vehicle. Is it possible to fit tyres with a higher load index and a lower speed rating than my manufacturer recommends? Yes, you can fit tyres that have a higher load index and a lower speed rating.
Does tire load rating affect ride quality?
Higher load rating will have a higher recommended tire pressure and a lower ride quality. As in most things, you need to find the sweet spot for your intended use. Getting tires with a load rating beyond what your truck is rated for, sacrifices ride quality for no reason.
Can I buy a tire with a higher load rating?
Although there is nothing wrong with buying tires with a higher load index, you should be cautious of buying tires with a lower load index. You may be accustomed to carrying a higher load than your tires will be able to support.
Should I get H or T rated tires?
Tires with higher speed ratings generally have better steering response and cornering grip than lower-speed rated tires, in addition to being capable of higher speeds. So if your car originally came with H-rated tires, that’s what you should replace them with.
What happens if you overload a tire?
When a tire is overloaded or underinflated, it can’t grip the road properly, which leads to poor handling, vehicle instability, and reduced fuel economy. Not only that, but overloading and underinflation lead to heat buildup in the sidewall and tread area, potentially causing serious problems.
What does P stand for in P205 55R16 89H?
For example let’s look at a Goodyear Eagle, P205/55R16 89H The manufacturer of the product. The model of the tire. P identifies your tire as a Passenger Tire. The P. stands for PMetric.
What is the difference between 55 and 60 on tires?
Going from a 60 to a 55 series IF the tire is the *SAME width will: 1: Cause the speedo to read faster, as a 55 has more revs per mile/km. 2: Cause increased ride harshness. 3: Result in increased wear= Vehicle.
What is 89H tire rating?
May 12th, 2016. For Example, above Tire size P215/65R15 89H Means. The “P” stands for “P-Metric” or “Passenger”. This means that it is a North American tire sizing designation. European tires typically don’t have the “P” attached to the size.