In the tire designation 215/65TR16, I know that the TR is the load rating (and maybe something else). But exactly WHAT does the T and the R mean; i.e what load. I believe the R is 'radial'. Please give me the key to the all Letters in tire sizing/ designation.

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• Jess Ayers Oct 03, 2010

Actually you answered the part I already know. Here is the last sentence of my request and IT is the question:

"Please give me the key to the all Letters in tire sizing/ designation." In the sentence before that I asked for the specific of what the T means. If it is the load and speed limit, then what is the load and the speed?

• Jess Ayers Oct 04, 2010

Good job Thanks

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Hi,

The exact way to represent tire is :-

195/65R15 91V

WIDTH
195 indicates the section width of a tyre
in millimetres.

ASPECT RATIO
65 is a tyre's aspect ratio which is its height
from the base of the tread to the rim.
This number represents a percentage of the
tread width. For example, the height of this
tyre is 65% of its width. Low profi le tyres
have smaller aspect ratio percentages.

TYRE CONSTRUCTION
R means that the tyre has radial ply
construction, meaning the way in which it has
been constructed. Most passenger tyres are
constructed this way so you will rarely fi nd a car
tyre without an R.

RIM
15 indicates the diameter of the wheel rim,
so if you are buying wheels for existing
tyres - this is the size in inches you will
require

91 V is a symbol that indicates the maximum load capacity and speed at
which a tyre can be safely operated, subject to the tyre being in sound
condition, correctly fi tted and with the recommended infl ation pressure.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Oct 02, 2010

• taran_2005 Oct 04, 2010

215/65TR16

T - Speed rating of the tyre.

Speed symbol T - Max speed capability - 190 km/hr or 130 mph.

R - This is radial construction.

Regarding the LOAD and SPEED RATING - The above example do not have those details.If there is 91V at the end, this means that he tyres can carry a load of 615 kgs upto a maximum speed of 149 mph.

The complete description should be :-

215/65TR16 91V - This is where you could know both the details.

Let me know,if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

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Posted on Jan 02, 2017

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