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Supermax - STM-1

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Supermax STM-1 Tires

The Supermax STM-1 is for drivers looking for radial tires for their trailers. Made for all weather conditions, this Supermax signature features a symmetric tread design and durable tread compound that ensures superior dry/wet traction, reduces the risk of hydroplaning, and keeps the tire from deforming for longer tread life.

Discover how the Supermax STM-1 keeps your trailers in top shape!

Best suited for: Trailers

Tire Benefits & Features:

Durable tread compound prevents irregular wear for maximum tread life.
Tread design ensures reliable all-season traction.
Nylon construction ensures the tire's load durability on the road.
Tire design features increased steering response and control with extra biting edges for safety.

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Supermax - STM-1

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From $32
Mileage Warranty

Supermax STM-1 ST175/80R13 C/6PLY

STR4001LH Supermax STM-1 ST175/80R13 C/6PLY Tires

Rims Not Included

Trailer
UTQG: 600AA
See details

easy test score

7.9 Great

Per Tire:

$32.34

OR

$Loading /mo

Save $

Lightning Savings

Was $40.43

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

1 tire
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Please contact customer support. (877) 709-4442

Estimated Delivery

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Installation available

Total

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OR

$ /mo

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

Supermax STM-1 ST225/75R15 E/10PLY

STR4005LH Supermax STM-1 ST225/75R15 E/10PLY Tires

Rims Not Included

Trailer
See details

easy test score

7.9 Great

Per Tire:

$54.00

OR

$Loading /mo

Save $

Lightning Savings

Was $67.5

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

1 tire
2 tires
3 tires
4 tires
5 tires
6 tires
7 tires
8 tires
9 tires
10 tires

Please contact customer support. (877) 709-4442

Estimated Delivery

Loading

Shipping

Loading

Installation available

Total

Loading

OR

$ /mo

Strikethrough Pricing on Giga Tires

Our percentage-off promotions, discounts, or sale markdowns are customarily based on our own opinion of the value of this product, which is not intended to reflect a former price at which this product has sold in the recent past. This amount represents our opinion of the full retail value of this product today, based on our own assessment after considering a number of factors.

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Supermax - ATX-1 (7)
Supermax - HA3 Plus (1)
Supermax - HA4 Plus (3)
Supermax - HCC1 Plus (2)
Supermax - HD1 Plus (5)
Supermax - HD2 Plus (2)
Supermax - HD3 Plus (2)
Supermax - HD4 Plus (1)
Supermax - HF1 Plus (11)
Supermax - HT-1 (10)
Supermax - HT1 Plus (2)
Supermax - HT2 Plus (1)
Supermax - HT3 Plus (1)
Supermax - STM-1 (2)
Supermax - TM-1 (6)
Supermax - TR-1 (16)
Supermax - UHP-1 (16)

117/112 (1)
91 (1)

C/6PLY (1)
E/10PLY (1)

Compare tires at a glance using our easy test score^® system. Our proprietary algorithm factors in performance, expert insights, user reviews, and Uniform Tire Quality Grading (UTQG) scores.

Four criteria factor into easy test score^®

Consumer reviews

Research based on customer reviews and buying behavior
Treadwear

The lifespan of a tire based on wear performance
Traction

The ability of a tire to grip to the road in wet conditions
Expert ratings

Input from veteran tire industry experts

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At Giga Tires, we’ve delivered unbeatable tire prices and service since 2014. With over 1 million tires sold, a #9 ranking in Newsweek’s America’s Best Online Shops for 2026, and 34K+ 5-star ratings, we offer over 45K+ products along with great promotions, discounts, and rebates. Enjoy fast shipping to your home or a local installer like PepBoys, Monro, and TireChoice. Backed by a 45-day return policy, we make tire buying simple, reliable, and affordable. Headquartered in California, we proudly serve drivers across the continental US.

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