Hummer Forums by Elcova - Wheel size decipher???

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- - Wheel size decipher??? (http://www.elcovaforums.com/forums/showthread.php?t=23907)

Lex_Ordo

01-17-2007 03:16 AM

Wheel size decipher???

Can anyone explain the wheel dimensions as far as the end letter code goes?

The sticker inside my door jam has info on the tire size, psi, and rim size.
what I don't know is what the letter at the end stands for.
For example...

My tire size is 285/75/16 C
My rim size is 7.50 X 16 J

I have a trailer that has rim size 5.50 X 16 F

What are these letters on the ends of the sizes? C, J, F ???

RubHer Yellow Ducky

01-17-2007 03:41 AM

Re: Wheel size decipher???

Quote:

Originally Posted by Lex_Ordo

Good question

RYD

Khoolhandz

01-17-2007 06:20 AM

Re: Wheel size decipher???

Speed rating.

RubHer Yellow Ducky

01-17-2007 12:36 PM

Re: Wheel size decipher???

Quote:

Originally Posted by Khoolhandz

Speed rating.

for the rims ??????

RYD

f5fstop

01-17-2007 02:49 PM

Re: Wheel size decipher???

Quote:

Originally Posted by Khoolhandz

Speed rating.

Not correct....

On a truck tire, labeled LT, the letter following the tire size is the load rating and pertains to the number of plys.
On other tires, the load range consists of two numeric characters followed by the speed rating.
In addition, there is NO "C" speed rating.

RubHer Yellow Ducky

01-17-2007 09:01 PM

Re: Wheel size decipher???

Quote:

Originally Posted by f5fstop

f5,

As I read him he's asking what the letter means on the rim, not the tire.

RYD

f5fstop

01-17-2007 09:23 PM

Re: Wheel size decipher???

Quote:

Originally Posted by RubHer Yellow Ducky

f5,

As I read him he's asking what the letter means on the rim, not the tire.

RYD

His quote:
What are these letters on the ends of the sizes? C, J, F ???
And I believe the rim is the same rating.....

Viet Nam Vette

01-17-2007 11:22 PM

Re: Wheel size decipher???

Where you been F5..??:)

f5fstop

01-18-2007 12:20 AM

Re: Wheel size decipher???

Quote:

Originally Posted by Viet Nam Vette

Where you been F5..??:)

Here, there, and nowhere...

BB	01-18-2007 04:46 AM

Re: Wheel size decipher???

It indicates the shape of flange.

HummBebe

01-18-2007 04:46 AM

Re: Wheel size decipher???

Quote:

Originally Posted by BB

It indicates the shape of flange.

OMG!!!!!

Talk about a sleeper!!!!!:jump::jump::jump:

f5fstop

01-18-2007 12:01 PM

Re: Wheel size decipher???

Quote:

Originally Posted by BB

It indicates the shape of flange.

good info, i did not know that about a flange....

HummerHippy

01-18-2007 02:18 PM

Re: Wheel size decipher???

wow very nice!
Someone asks and someone else has the answer. I love this place! :clapping:

Lex_Ordo

01-21-2007 06:50 PM

Re: Wheel size decipher???

Thanks!
I want to thank all that have chimed in here and there for all the questions I asked and didn't ask. The informaion I have learned reading the posts on this board has been outstanding.:clapping:
:perfect10s:

Fish-man

02-01-2007 05:09 PM

Re: Wheel size decipher???

Markings on the rim "J" indicate the name designation of the bead to bead rim contour which defines dropwell dimensions and also defines the tire part of the flange.

Tire and Rim Association defines these in their Yearbook, along with tire size information and valve types.

There are many many many different contour types...

usetosellhummer

02-01-2007 06:23 PM

Re: Wheel size decipher???

It means tires cost more for the H3

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