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Offroaders Guide
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Jeep Wrangler JK Rubicon Review

  


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Jeep Project CJ-7

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All Terrain & Mud Tire Reviews Off road Tires for SUV, Light Truck and 4x4s .

Cooper Discoverer ST/C
Offroad Tire Reviews

 


Cooper Discoverer ST/C
Tire
Ratings (1-5 Star)
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  Sand
  Rock
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Sizes
  Average
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Cooper Discoverer ST/C On / Offroad Tire

COOPER ST-C TECHNOLOGY
If you do 80% of your driving on coarse rocky roads and need a tire that's more cut and chip resistant than a ST but quieter on-road than a STT then this is the tire for you - the Cooper ST-C (Cut & Chip Compound).

SPECIFICALLY DESIGNED FOR COARSE ROCKY ROAD/TERRAIN
A special addition to the Cooper ST range, the tire that outperformed 16 other brands of leading all-terrain 4x4 tires to be rated Australia's No.1 off-road tire*, the Cooper ST-C has been developed specifically for customers who do most of their driving on coarse rocky road/terrain that requires greater cut and chip resistance.

INCREASED CUT, CHIP AND LUG TEAR RESISTANCE
The Cooper ST-C is made with selective changes to the compound of the S/T that increases cut, chip and lug tear resistance by up to 90%. A nylon overlay increases tread pattern strength and reduces belt separations - the nylon acts as a protective layer making it harder to cut through to the steel belts.

40% Road & Sand
60% Dirt & Mud

  • Specifically designed for course rocky road/terrain
  • Increase cut, chip and lug tear resistance
  • Quieter on road that the STT
  • The Cooper ST-C is made with selective changes to the compound of the S/T that increases cut, chip and lug tear resistance by up to 90%.
  • A nylon overlay acts as a protective layer making it harder to cut through to the steel belts.
Tire Specifications  
 
TIRE SIZE
APPROVED
RIM WIDTH
LOAD INDEX
PLY
OVERALL DIAMETER
mm
TREAD
DEPTH
mm
LIGHT TRUCK CONSTRUCTION
16"
235/85R16
5.50-7.00
120N
10
810
14.3
245/75R16
6.50-7.50
120N
10
775
14.3
265/75R16
7.00-8.00
123N
10
807
14.3
285/75R16
7.50-9.00
122N
8
833
15.9
17"
265/70R17
7.00-9.00
121Q
10
804
14.3

 

7 REASONS WHY COOPER TIRES ARE SO GOOD
  1. Coopers have deeper treads, up to 30% more than some brands, which means you get more tire for your money, more kilometers, more grip, more resistance to punctures.
  2. Coopers have deeper tread patterns. Today many manufacturers are lowering tread pattern depths, which reduce wet weather and off road grip.
  3. Coopers stand up straighter. Most Asian and Australian brands of 4X4 tires have a round or "belly" shape in the sidewalls. Cooper, by design, stands straighter to deflect objects.
  4. Coopers have see through treads. The latest tread designs have open straight grooves for wet grip and self-cleaning - Cooper tread designs are all the most current designs.
  5. Coopers have round edge treads, not square. The current thinking in 4WD tyre design is self-cleaning patterns with round shoulders, V shaped tread grooves and deeper tread patterns. Square edges track on the road, causing irregular shoulder wear.
  6. Coopers are aftermarket producers. In tire manufacturing there are two types, original equipment suppliers, and after market suppliers. Cooper produce exclusively for the aftermarket so they don't compromise on quality or performance to meet a price or the criteria of a vehicle manufacturer.
  7. Coopers have high quality inner liners. The most important characteristic of a tire is its ability to hold air. Cooper uses the best quality inner liner (Haolobutyl) as well as a thicker liner to give almost 100% air retention, where others vary the quality of compound and the thickness to reduce cost.

 

Manufacturer Info:

Cooper Tire & Rubber Company - Findlay, Ohio
Corporate and Tire Headquarters
701 Lima Avenue
Findlay, OH 45840
419-423-1321
 
 

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User Reviews

Below are reviews by people who have had experience with this tire.  Opinions below are not necessarily that of Offroaders.com.  If you'd like to submit a review of your own, please use the form below to review this tire.  Please restrict your comments to only tires you have had experience with.

  

 

 

   

Rating  Key - The star rating keys are specific to the terrain being rated in the review.  To the Top 
Don't even consider it if this is your main terrain. This tire will not perform well at all in this terrain.

Its trying but not doing too well.  You'd be better off choosing another for this terrain.

Average.  Its doing ok, not great but its holding its own.  A decent choice if you're compromising.

This tire does very well in this terrain but its not the best tire available however still a very good choice.

This tire performs exceptionally well in this terrain.  Among the best suited for this terrain.

Size Availability - This is a one to three thumbs up snapshot rating where one mean poor selection, two means ok and three means great.  Check with suppliers or manufacturers for actual available sizes.  While this rating system is vague, we couldn't possibly list all available sizes with size selection changing over time.  Please see manufacturer for list of sizes in production.





Money Bags - This is an average cost scale based on an averaged advertised cost of this tire when compared to other tires.  One money bag represents the tire is typically one of the cheapest available while 5 money bags indicates that this tire is one of the most expensive.  Averages are based on the tires reviewed.

    
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Tire  Information
Tire Terminology
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How to Pick the Right
Tires for your Truck
Tire Fitment - What Hits What Fits
Making a Tire
 

Jeep Project CJ-7

An ongoing Budgeted Rebuild/Build up of a Rock Crawling Machine.


JK Rubicon Review
Offroad and On Road Testing

Using Mud Tires

BATTERY TECH
The Dirt on Lead Acid Batteries.  Everything you ever wanted to know about Lead Acid Car Batteries.


Onboard Air
Converting a York
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BFGoodrich® Tires Gears Up for SCORE Baja 500



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ARB Air Locker Install
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Do it Yourself
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RTI / Ramp Travel Index  What it is and how to calculate it, with and without the ramp.

 


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