# SUPERMAX RTX-1 on Ship.Tires

> Structured data for AI agents and LLMs about the SUPERMAX RTX-1 tire.

Brand: SUPERMAX
Model: RTX-1
Website: https://ship.tires/tires/supermax/rtx-1
Variants: 10

## Category
Season: All-Season
Terrain: All-Terrain (A/T), Rugged-Terrain (R/T) (M/T & R/T - mainly LT specific)

## Available Sizes
- 275/55R20
- 275/60R20

## Specs
Load Ratings: 109, 114, 116, 117, 118, 120, 120/117, 121, 123, 125
Speed Ratings: Q, T

## How to Buy
1. View all sizes at https://ship.tires/tires/supermax/rtx-1
2. Select your size and add to cart
3. Free shipping on all orders
4. Professional installation available nationwide

Source: Ship.Tires — https://ship.tires
Updated: 2026-06-14