---
product_id: 22968213
title: "Cooper Discoverer STT Pro All-Season LT305/60R18 121/118Q Tire"
brand: "cooper"
price: "¥175145"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/22968213-cooper-discoverer-stt-pro-all-season-lt305-60r18-121-118q
store_origin: JP
region: Japan
---

# 10-ply radial strength Armor Tek3 sidewall defense All-season mud & rock grip Cooper Discoverer STT Pro All-Season LT305/60R18 121/118Q Tire

**Brand:** cooper
**Price:** ¥175145
**Availability:** ❌ Out of Stock

## Summary

> 🛻 Rule Every Terrain, Every Season — Fearless Traction Awaits!

## Quick Answers

- **What is this?** Cooper Discoverer STT Pro All-Season LT305/60R18 121/118Q Tire by cooper
- **How much does it cost?** ¥175145 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/22968213-cooper-discoverer-stt-pro-all-season-lt305-60r18-121-118q)

## Best For

- cooper enthusiasts

## Why This Product

- Trusted cooper brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Armor Tek3 Durability:** Reinforced sidewalls resist punctures and abrasions on the toughest terrains.
- • **All-Season Versatility:** Engineered for year-round performance without compromising on-road handling.
- • **Stone Armor Technology:** Innovative tread channels expel stones and debris, keeping your ride smooth and damage-free.
- • **Heavy-Duty Load Capacity:** Supports up to 3,195 lbs with a robust 10-ply radial construction for rugged reliability.
- • **Unmatched Off-Road Dominance:** Conquer rocks, mud, and dirt with deep Climber Cleats and Mud Slingers 2.0 for relentless traction.

## Overview

The Cooper Discoverer STT Pro LT305/60R18 121/118Q is a premium 10-ply radial all-season tire designed for extreme off-road performance. Featuring patented Armor Tek3 sidewall technology and Stone Armor tread design, it delivers superior durability and traction on rocks, mud, and dirt while maintaining reliable on-road handling. Rated for heavy loads up to 3,195 lbs and optimized for year-round use, this tire is engineered to empower adventurous professionals who demand toughness without compromise.

## Description

The Cooper Discoverer STT Pro All-Season LT305/60R18 121Q Tire is the most extreme all-season, off-road tire Cooper offers to date, providing remarkable off-road performance without sacrificing on-road traction. The Discoverer STT Pro tire delivers best-in-class off-road performance, empowering the extreme off-roader to take on the toughest challenges. Patented Armor Tek3 tire technology adds strength to the tire sidewall, providing increased resistance to damage while driving over boulders and uneven, tough terrain. The Discoverer STT Pro comes with rubber formulated to combat shredding and damage from stones and off-road obstacles. The ROCK CLIMBER SIDEWALL gets max traction to help conquer even the toughest obstacles with deep ‘Climber Cleats’ and Flex Grooves built into the side of the tire that grip jagged rocks and power through thick mud. The MUD SLINGERS 2.0 are deep, wide trenches with additional notches throughout the tread combine to give you more grip to power through and help continuously clear thick mud from the tire. The EARTH DIGGERS can tackle tricky terrain with large blocks with alternating mud scoops that forcefully dig into loose dirt, sand or sticky mud. The STONE ARMOR TECHNOLOGY provides the ultimate durability with channels, ridges, and edges designed to help defend against sharp rocks and debris while expelling lodged stones.

## Features

- All-Season Off-Road Traction Tire
- The most extreme all-season, off-road tire Cooper offers to date
- Provides remarkable off-road performance without sacrificing on-road traction
- Tread design helps to prevent stone retention
- Armor Tek3 construction for added tire durability

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B017XTUW0S |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #40,403 in Automotive ( See Top 100 in Automotive ) #34 in Light Truck & SUV All-Terrain & Mud-Terrain Tires |
| Brand Name | Cooper |
| Construction Type | Radial |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,131) |
| Global Trade Identification Number | 00029142829690, 00291428296902, 00652217032369 |
| Included Components | Tire Only |
| Item Diameter | 32.68 inches |
| Item Dimensions | 32.68 x 32.68 x 12 inches |
| Item Highlight | Light Truck Mud Terrain All Season Traction 121/118Q Rated E 10 Ply Radial Construction Raised White Letters Tire |
| Item Type Name | Tire |
| Item Weight | 54 pounds |
| Load Capacity | 3195 pounds |
| Load Index | 121 |
| Load Range | E |
| Manufacturer | Cooper |
| Manufacturer Part Number | 170123034 |
| Manufacturer Warranty Description | Standard Limited Warranty |
| Maximum Pressure | 65 psi |
| Model Number | 170123034 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | 170123034 |
| Ply | 10-Ply |
| Rim Size | 18 inches |
| Seasons | Year Round |
| Section Width | 30.5 centimeters |
| Size | LT305/60R18 121/118Q |
| Spare Tire Mounting Location | Front or Rear |
| Speed Rating | Q |
| Tire Aspect Ratio | 60 |
| Tire Diameter | 32.68 inches |
| Tread Depth | 21 thirty_seconds_inches |
| Tread Type | Non-Directional |
| UPC | 029142829690 291428296902 652217032369 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 305/60R18 |

## Product Details

- **Brand:** Cooper
- **Load Capacity:** 3195 pounds
- **Load Index:** 121
- **Rim Size:** 18 inches
- **Section Width:** 30.5 centimeters
- **Size:** LT305/60R18 121/118Q
- **Speed Rating:** Q
- **Tire Aspect Ratio:** 60
- **Tread Depth:** 21 thirty_seconds_inches
- **Tread Type:** Non-Directional

## Images

![Cooper Discoverer STT Pro All-Season LT305/60R18 121/118Q Tire - Image 1](https://m.media-amazon.com/images/I/81yAZbtaAIL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

- Cooper Discoverer STT Pro All-Season LT305/60R18 121/118Q Tire
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**Shop now:** [https://www.desertcart.jp/products/22968213-cooper-discoverer-stt-pro-all-season-lt305-60r18-121-118q](https://www.desertcart.jp/products/22968213-cooper-discoverer-stt-pro-all-season-lt305-60r18-121-118q)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-05*