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๐ Dominate the road and trail with unstoppable traction and rugged durability
The Cooper Discoverer STT Pro 35X12.50R22LT 121Q is a premium all-season off-road tire engineered for extreme performance. Featuring patented Armor Tek3 sidewall technology, it offers superior resistance to damage from rocks and rough terrain. Its aggressive tread design with Climber Cleats, Mud Slingers 2.0, and Stone Armor channels ensures unmatched grip and stone ejection, making it ideal for year-round off-road adventures without compromising on-road traction.









| ASIN | B0BBWDX6X2 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #1,987,091 in Automotive ( See Top 100 in Automotive ) #3,920 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand | Cooper |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 3.9 out of 5 stars 16 Reviews |
| Global Trade Identification Number | 00029142969891 |
| Included Components | Tire Only |
| Item Diameter | 34.76 Inches |
| Item Dimensions | 34.8 x 34.8 x 12.3 inches |
| Item Type Name | Tire |
| Item Weight | 73.66 Pounds |
| Load Capacity | 3195 Pounds |
| Load Index | 121 |
| Load Range | F |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170231006 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Maximum Pressure | 80 Pound per Square Inch |
| Model Number | 170231006 |
| OEM Equivalent Part Number | COOP-90000046221 |
| Ply | 6-Ply |
| Rim Size | 22 Inches |
| Rim Width | 10 Inches |
| Seasons | Year Round |
| Section Width | 12.5 Inches |
| Size | 35X12.50R22LT 121Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 52 |
| Tire Diameter | 34.76 |
| Tread Depth | 21 32nds |
| Tread Type | Non-Directional |
| UPC | 029142969891 |
| Unit Count | 1.0 Count |
| Vehicle Tire ISO Metric Size Description | 889/52R22 |
R**.
Best mud tire for the price.
This is a great looking tire. Unlike some other 35" mud terrains, these measure in true to size. They ride a bit rougher than stock rubber, but so does every other 10-ply tire which is your only choice in this size. I've run the Toyo M/T's before and I would say these are pretty much identical in terms of wear and ride quality. The only other tire I would consider would be a Nitto. They are more money, but supposedly a bit better according to most off-road shops I've spoken to. The attached images show these in a 35x12.50R22 on my 2015 F150 Platinum with a 6" BDS lift. I'm running a 22x10 wheel. You can see the difference compared to the factory tires.
S**Z
Beast of a tire
Not much to say about a tire. Fits as expected, quick delivery.
R**O
Fast shipping!! Only 2 days!!
Good quality!!
O**1
Five Stars
Best tire I've bought in along time. In my opinion better than the Toyo m/t
Trustpilot
5 days ago
1 month ago