What do tire descriptions mean?
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.
What does 94S mean on a tire?
Immediately following the tire size is another number and a letter like 94S. This is the load index and speed rating of your tire.
How do you read a tire code?
The last four digits of this code tell you when your tire was manufactured. The first two numbers indicate what week of the year it was made (out of 52 weeks per year), and the second two numbers represent the year. For example, 5200 would reveal that a tire was manufactured during the 52nd week of the year 2000.
How do you classify tires?
PHYSICAL CHARACTERISTICS OF THE TIRES The physical characteristics of a tire which are most relevant to its classification are the tire size and weight, load capacity, speed rating and tread pattern. Much of the information regarding the physical characteristics of a given tire is provided in the sidewall markings.
What does p205 55r16 mean?
Using our example size, 205/55 R16, this is what each number means: 205 is the width of the tyre tread in millimetres. 55 refers to the profile of the tyre, or the distance between the wheel and the edge of the tyre, looking at it from the side. The number is the percentage of the width of the tyre.
What does V mean on tires?
SPEED RATING V 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.
What does the red dot on a tire mean?
The red dot indicates the tire’s high point. Most of the time, a wheel will also have a dot—either a drilled dot or a sticker to indicate its low point. If you have these marks, you should align the red dot with the mark on the wheel. By doing this, you minimize the vibration caused by the high point of the tire.
What does tire service description mean?
A 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. The first two digits (87S) represent the tire’s load index and are followed by a single letter (87S) identifying the tire’s speed rating.
What is tires descriptions mean?
Your tires’ weight and speed limits are indicated by the tire service description; a short code located on the sidewalls of your tires. This short code, which consists of a two or three-digit number along with a single letter, designates just how much weight your tires are capable of carrying safely and the maximum speed the tires are designed for.
What is tire service?
Tire Service: Keep Rolling with Confidence. Tires are all that stands between you and the road and it’s important to keep them in the best shape for your safety. We offer tire repair, alignments, tire balancing and tire rotation to help keep your tires healthy. At Pep Boys, we know purchasing tires online (and in general!) can be complicated.