---
product_id: 42390107
title: "Ecsta STX KL12 All-Season Tire - 305/50R20 120V"
brand: "kumho"
price: "¥203560"
currency: JPY
in_stock: true
category: "Kumho"
url: https://www.desertcart.jp/products/42390107-ecsta-stx-kl12-all-season-tire-305-50r20-120v
store_origin: JP
region: Japan
---

# Hydroplaning defense Quiet ride tech Durability & protection Ecsta STX KL12 All-Season Tire - 305/50R20 120V

**Brand:** kumho
**Price:** ¥203560
**Availability:** ✅ In Stock

## Summary

> 🛞 Elevate your ride with Kumho Ecsta STX — where performance meets peace of mind.

## Quick Answers

- **What is this?** Ecsta STX KL12 All-Season Tire - 305/50R20 120V by kumho
- **How much does it cost?** ¥203560 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/42390107-ecsta-stx-kl12-all-season-tire-305-50r20-120v)

## Best For

- kumho enthusiasts

## Why This Product

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

## Key Features

- • **Curbside Savior:** Integrated rim protector shields your wheels from unsightly curb damage.
- • **All-Season Mastery:** Engineered for year-round SUV & light truck dominance, rain or shine.
- • **Whisper-Quiet Drive:** Variable pitch tread blocks minimize road noise for a serene cabin experience.
- • **Built to Last & Perform:** Jointless construction with bead reinforcement delivers unmatched durability and sharp steering.
- • **Hydroplaning? Not Here!:** Dual wide grooves rapidly evacuate water, keeping you safe and in control.

## Overview

The Kumho Ecsta STX KL12 305/50R20 is a premium all-season tire designed for SUVs and light trucks, featuring advanced water evacuation grooves to reduce hydroplaning risk, noise-reducing variable pitch tread blocks, and reinforced construction for durability and responsive steering. Its rim protector safeguards wheels from curb damage, making it a reliable, year-round performer with a 120V speed rating and a robust 3086-pound load capacity.

## Description

The Ecsta STX is engineered to provide extreme performance in all-seasons, providing all-out wet and dry handling to SUVs and light trucks that has been previously reserved for passenger tires. All-season performance. Two wide circumferential and lateral grooves evacuate water from under the tread area to minimize the risk of hydroplaning. Large, stable tread blocks promote a solid footprint and responsive steering under the most demanding conditions. Variable pitch tread blocks assist with road harmonics to produce a quiet ride reducing vehicle cabin noise. Jointless construction and bead reinforcement ensure durability, large contact patch and steering response. A rim protector in the lower sidewall safeguards wheels against curb damage.

## Features

- All-season performance for SUVs and light trucks
- Two wide circumferential and lateral grooves evacuate water to minimize the risk of hydroplaning
- Variable pitch tread blocks assist with road harmonics to produce a quiet ride reducing vehicle cabin noise
- Jointless construction and bead reinforcement ensure durability with a large contact patch and steering response
- Rim protector in lower sidewall safeguards wheels against curb damage
- This product is not for sale in the state of Arkansas

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000VYYH18 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #555,474 in Automotive ( See Top 100 in Automotive ) #1,203 in Passenger Car Performance Tires |
| Brand | Kumho |
| Brand Name | Kumho |
| Construction Type | Radial |
| Customer Reviews | 4.6 out of 5 stars 74 Reviews |
| Global Trade Identification Number | 00641126368010, 08808956031190 |
| Included Components | Tire Only |
| Item Diameter | 32 inches |
| Item Dimensions | 32 x 32 x 12 inches |
| Item Highlight | Truck/SUV Performance All Season Traction 120V Rated Extra Load Radial Construction Black Sidewall Tire |
| Item Type Name | Tire |
| Item Weight | 16.7 kg |
| Load Capacity | 3086 pounds |
| Load Index | 120 |
| Load Range | XL |
| Manufacturer | Kumho |
| Manufacturer Part Number | 1648913 |
| Maximum Pressure | 50 psi |
| Model Number | 1648913 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | 1648913 |
| Ply | 2-Ply |
| Rim Size | 20 inches |
| Rim Width | 30.5 centimeters |
| Seasons | Year Round |
| Section Width | 30.5 centimeters |
| Size | 305/50R20 |
| Speed Rating | V |
| Tire Aspect Ratio | 50 |
| Tire Diameter | 32 |
| Tread Depth | 11.5 thirty_seconds_inches |
| Tread Type | Directional |
| UPC | 641126368010 012834008015 |
| Unit Count | 1 Count |
| Vehicle Tire ISO Metric Size Description | 305/50R20 |

## Product Details

- **Brand:** Kumho
- **Load Capacity:** 3086 pounds
- **Load Index:** 120
- **Rim Size:** 20 inches
- **Section Width:** 30.5 centimeters
- **Size:** 305/50R20
- **Speed Rating:** V
- **Tire Aspect Ratio:** 50
- **Tread Depth:** 11.5 thirty_seconds_inches
- **Tread Type:** Directional

## Images

![Ecsta STX KL12 All-Season Tire - 305/50R20 120V - Image 1](https://m.media-amazon.com/images/I/71+HByVnH7L.jpg)

## Questions & Answers

**Q: What load range or ply are these?**
A: 3088 lbs 6ply

**Q: Are they an e range tire what ply are they?**
A: This is a 4 ply tire. Thanks!

**Q: Will this fit tundra (tires m+s 305/50r20. 120t)**
A: It definitey will.

**Q: Will this fit a 275 60 r20?**
A: This is a different tire size than the 275 60 20. Thanks!

## Frequently Bought Together

- Kumho Ecsta STX KL12 All-Season Tire - 305/50R20 120V
- NEIKO 20600A Tire Spoon Levers, Repair Tool Kit, 11 1/2-Inch Hardened Steel Irons, 2 Rim Protectors, 5-Piece Tire Levers Set, Tire Changing Tool, Small Tire Tools
- Ride-On Motorcycle Tire Sealant-2 Bottles

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**Shop now:** [https://www.desertcart.jp/products/42390107-ecsta-stx-kl12-all-season-tire-305-50r20-120v](https://www.desertcart.jp/products/42390107-ecsta-stx-kl12-all-season-tire-305-50r20-120v)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-11-06*