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Old 03-21-2013, 01:38 PM   #11
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Quote:
Originally Posted by RockyMtnHigh View Post
Good to hear about the Goodyear HMG2020's. I've been trying to find an 8-ply tire in 205/75R14. Originally I zeroed in on Kumho 857s, but nobody, not even tirerack.com has them in stock right now. A local shop can get me these Goodyears, and if they are my best option I might go with it. They aren't cheap, but if they are safer, I'm willing to pay premium for that!

Any further reviews from anyone who has been running them?
My Tire Rack distribution center has the Kumho 857's in stock.

I need to point out that the Kumho's are what we called Euro sized and is different from the other metric sizing you posted above. A Kumho euro sized 205R14C size is not the same as a 205/75R14...even though the numbers look similar. The Euro size tire is taller, so check your spec sheets. You might want to go down to the Euro sized 195R14C in order to be closer to the same height as a 205/75R14.

In simple terms, Euro sized tires like the Kumho 857 do not place the aspect ratio in their tire size. The aspect ratio is the percentage of sidewall height to tire width, or the 75 in the 205/75R14 tire. Very simply, In a 205/75R14, the tire sidewall is 75% as tall as the tire is wide while loaded at it's optimal pressure.

If the Euro tires did state their aspect ratio, it would be an 82...which means a Euro tire is 205/{82}R14....or the sidewall is 82% as tall as the tire is wide while loaded at it's optimal air pressure.

Also the C at the end of a Euro sized tire means it's for Commercial Use applications (heavy loads, transporters, trailers, etc)....similar to a LT designation. Do not confuse this C for a load Range as it is not that. The Load range will be somewhere else on the tire, and will most likely be a D (8 ply rated).

Just glancing at the spec sheets on Tire Rack, the Kumho 857 Euro size 205R14C tire has a diameter of 27". I compared it to a Goodyear Marathon trailer tire size 205/75R14 which has a diameter of 26.1"

A Kumho 857 size 195R14C has a diameter of 26.2" which puts it on par with the 205/75R14 if you want to keep the height the same.

http://www.tirerack.com/tires/tires....del=Radial+857

http://www.tirerack.com/tires/tires....arathon+Radial

Hope this helps.

If it was all just as simple as it should be, then we wouldn't have anything to discuss here in the forums. LOL
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Old 03-21-2013, 07:11 PM   #12
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Thanks wmtire, I appreciate the info, especially about the difference between the Pmetric and euro size tire. When I checked tirerack they showed instock, but their online rep said they weren't!

Tirerack lists the 195R14 as load range C, but the 205R14 as load range D, again maybe a typo.

I am giving serious thought to the Goodyear HMG 2020s. One dealer said they are bias ply, not radials, but I can't confirm. Anyone who knows the difference care to enlighten me on the pros/cons if they are?
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Old 07-05-2013, 06:34 PM   #13
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Bump!

Anyone got any feedback on the bias vs radial? Any concerns with Bias, such as needing to get the weight off them if the trailer is going to sit over the winter?

Thanks in advance!
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Old 04-12-2015, 06:05 AM   #14
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I know, another tire thread.

Hi,
I uncovered the trailer yesterday to find the sidewalls on my RoadRider tires were dry rotted and cracked. The tire size is ST205/75R14 LOAD "C" Radial.
I have searched the forums for hours to see most of you guys have many choices on the 15" tires but the 14" are very limited. I want to upgrade to a LOAD range "D" 8 Ply tire and that is what revived this old thread. I have 2 options from what I could find. #1 is the KUMHO Radial 857 or #2 is the Goodyear HMG2020..
The goodyear would appear to be a bias ply.
Does anyone know the difference between the Radial and Bias ply tires and what the difference would be for towing.
We are going seasonal this year so all this will be for 2 tows per season.
Thanks in advance.
crunchman
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