what do all the numbers in a tires specs actually mean?

Otzy

New member
hey,

so im looking at toyos as an example.

i can get 35 inch toyo m/ts in a few different specs:

35x12.50R-20LT
35x12.50R-18LT
35x12.50R-17LT
-15lt

...etc


what does the "-xxlt" actually mean, and how would that effect the on and off road drive of the vehicle? Because the lower the number goes the cheaper the tires are ;) but i dont wanna buy crappy tires either, ya know?

thanks for any help yall can provide!
 

Otzy

New member
ah... never mind. i think this was a dumber question haha.

common sense just came to me, and im now assuming that it has to do with the rim size, am i right?
 

cozdude

Guy with a Red 2-Door
ah... never mind. i think this was a dumber question haha.

common sense just came to me, and im now assuming that it has to do with the rim size, am i right?

yea its rime size and i BELIEVE (i may be wrong) the LT stands for light truck
 

Beyrgut

New member
ah... never mind. i think this was a dumber question haha.

common sense just came to me, and im now assuming that it has to do with the rim size, am i right?

You almost won a Darwin Award for that question :wings:. But had you not asked it you would not have got the answer, even though you figured it out, no dumb questions.
 

StrizzyChris

New member
just in case the fallow up question is about metric meanings
255/75/17
255 is the measurement of the tire width in mm
75 is the percentage ratio of side wall height in reference to tire width(in this example 75% of 255 is 191.25mm which is 7.53")
17 is the rim size

you then add all the info together 7.53+17+7.53 to get your overall tire height of 32.06"
255mm= tire width of 10.04

1"=25.4mm

OR you could be lazy like I am 99.999% of the time and use sites like this
http://www.extremeterrain.com/wrangler-jeep-metric-tire-conversion-calculator.html
 
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