Filter
Top Products
Radial Rim diame|er
Ra|io of height to code
width (aspect ratio) Load index &
Nominal width of eed sylabnt
tire in millimeters' US. DOt" tire
Passen ide_lificalim_ numbel
ear tire Sever snow
conditions
'lire ply
Max, ¢_ntposition
permissabh and malerinls
inlhttion used
pr'_SSll l'e
P: The "P" indicates the rite is for passenger vehicles
Next number: This three-digit number' gives the width in millimeters of the tire
fi'om sidewall edge to sidewall edge. In general, the larger the number; the wider
the tire
Next number: This two-digit number, known as the aspect ratio, gives the tire's
ratio of height to width Numbers of 70 or lower indicate a short sidewall for
improved steering response and better overall handling on dry pavement
R: The "R" stands for radial. Radial ply construction of tires has been the industry
standard for the past 20 years..
Next number': This two-digit number is the wheel or rim diameter' in inches If
you change your wheel size, you will have to purchase new tires to match the new
wheel dimneter.
Next number: This two- or'three-digit number is the tile's load index. It is
a measurement of how much weight each tire can support You may find this
information in your owner's manual If not, contact a local tire dealer: Note: You
may not find this information on all tires because it is not |'equired by law
M+S: The "'M+S" or' "M/S" indicates that the tire has some mud and snow
capability Most radial tires have these markings; hence, they have some mud and
snow capability
Speed Rating: The speed rating denotes the speed at which a tire is designed to be
driven for extended periods of time The ratings range fiom 99 miles per hour
(mph) to I86 mph Note: Yon may not find d_is information on all tires because it is
not required by law.
* For tires with a maximum speed capability over 149 mph, tire manufacturers
sometimes use the letters ZR.. For those with a maximum speed capability over 186
mph, tfle manufacturers always use the letters ZR.
U.S, DOT Tire Identification Number
This begins with the letters "DOr" and indicates that the tire meets all
31