Cooper

Cooper Discoverer Rugged Trek LT - LT305/55R20/F 122Q Tire

|6 ratings
Item # 984136515
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Smart summary

Generated by AI
  • Robust Specifications: This Light Truck tire, sized LT305/55R20/F 122Q, features a 305mm section width, 55% aspect ratio, and fits a 20-inch rim, with an F load range, 122 load index, and Q speed rating.
  • Rugged Aesthetics: An aggressive tread design and Rough Terrain pattern provide a tough look and off-highway grip. Two distinct sidewall designs offer versatile styling options.
  • Enhanced Traction: Earth Diggers Technology uses large shoulder scoops and lugs for deeper digging in mud, sand, or dirt. Stable Trac Technology's micro gauge siping enhances traction on roads and rough surfaces.
  • Comfortable Performance: Delivers excellent on-road traction and comfort for a smooth driving experience. It also provides severe weather traction for diverse conditions.
  • Vehicle Compatibility: Designed for use with Trucks and SUVs, offering suitable performance characteristics for these vehicle types.
Cooper Discoverer Rugged Trek LT - LT305/55R20/F 122Q Tire
Cooper Discoverer Rugged Trek LT - LT305/55R20/F 122Q Tire
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About this item

Product details

Before purchasing tires, make sure to use our Tire Finder to select the right fit for your vehicle.

Aggressive tread design offers a tough look. Excellent on-road traction and comfort. Two sidewall designs for versatile style.

Aggressive looks
The Rough Terrain™ tread pattern offers tough style and extra grip when you venture off the highway.

Solid traction
Earth Diggers™ Technology digs deeper into mud, sand or dirt with large shoulder scoops and lugs.

Stability and control
Stable Trac™ Technology with omni-directional, micro gauge siping enhances traction on roads and rough surfaces.

45-Day Test Drive
Need time to make sure these tires are the right ones for your vehicle? Cooper Tires offers a 45-Day Test Drive to test out your new tires.

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Specifications

Product Details
Tire Size:305/55R20/F
Service Description:122Q
Sidewall:Black Sidewall
Material # or MSPN:170-060-007
Rim Width (min. to max.):9.0-11.0
Section Width:12.5
Overall Diameter:33.4
Tread Depth (32nds):19
RPM:620
Max Load (lbs.):3640 lbs @ 80 psi
UTQG Rating
Treadwear:
Traction:
Temperature:

Warnings and disclaimers

Disclaimer

Wheel Not Included

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Showing 1-2 of 2 reviews

Feb 14, 2026
DANIEL
5 out of 5 stars review

Great Road Tires for an Aggressive Tread.

These tires are Great on the road. I have to agree with everything William said in his review, about these tires. I just got them installed and drove home on the highway %26 bumpy side roads. A very big change in the driveability / ride on my wife's Jeep Wrangler LJ. They are quiet, I didn't think an agressive tire could be so quiet. A verry slight hum at highway speeds. Almost silent around town. Our previous tires were very bouncy on any little bump, these hold the road, "what bump?". A very stable ride. They hold the road great at highway speeds %26 everyday around town driving. 65,000 mile treadwear, can't be beat. I have not gone off road yet but imagine they'll be great.

Helpful?68AUPD8PSHBD13727368980
Nov 21, 2025
William
5 out of 5 stars review

Don't think twice definitely get these!

I would have never believed a review that would change the ride of my Jeep Wrangler so immensely, I went from Nitto grapplers to these they look just as aggressive, but the ride the quietness has changed so much! They do not bounce all over the road with any little bump. They are much more stable at higher speeds much more quiet on the road and my wife who is very picky about riding in different vehicles, including my Corvette said that the jeep is much more enjoyable to ride them.

Helpful?68AUPD8PSHBD13727368980

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