Supermax STM-1 Tire

Supermax STM-1

4.8(257 store reviews)
$129.40 each
$517.60 set
or 4 interest-free payments of $129.40 Shop Pay Klarna Afterpay interest-free when paid on time
Free Shipping US All orders
Fitment Guarantee Risk free
Package Options Save when you build a package
Authorized Dealer 100% brand new wheels
Category
Trailer
Know your tire

About the Supermax STM-1

Reliable Trailer Performance at a Working Price

Best forBoat, utility, and cargo trailers requiring dependable load-bearing stability and consistent highway tracking performance.

The Supermax STM-1 is engineered specifically for trailer applications, prioritizing stability and load-bearing reliability over the demands of everyday passenger driving. Its construction supports consistent tracking performance when towing, helping to reduce sway and maintain directional control under load. The STM-1 delivers a functional, dependable ride suited to the steady, sustained demands of trailer use.

The STM-1 features a trailer-specific tread pattern designed to manage heat buildup and resist wear under sustained highway speeds and heavy loads. The tread compound is formulated to maintain structural integrity during long hauls, while the pattern geometry promotes even contact with the road surface. This design helps extend service life under the repetitive stress conditions typical of trailer operation.

Specifications

Type
Trailer
Mileage Warranty
Manufacturer's Warranty
Sidewall
Black Side Wall
Tread Depth
8
Ply Rating
8
Sizes
205/75R15
Load Range
D
Part Numbers
STR-4004-LH
The brand

About Supermax

Supermax positions itself as a value-focused tire brand offering practical solutions for utility and commercial applications. While not rooted in motorsport heritage, Supermax targets budget-conscious consumers who require reliable, fit-for-purpose tires for working applications. The STM-1 reflects the brand's commitment to delivering functional performance at an accessible price point, backed by a standard manufacturer's warranty.

Shop all Supermax tires →

Buying from TFS Wheels

Shipping, returns & guarantees

Authorized Dealer — 100% Brand New Wheels & Tires

TFS Wheels is an authorized dealer for every brand we carry. Every wheel and tire we ship is brand new, unused, and packaged in its original manufacturer's box. We never sell refurbished, demo, or return-stock product. All manufacturer warranties apply and our warehouse is staffed by people who only handle wheels and tires — no in-transit damage, no test-fits, no surprises.

Free Shipping (Lower 48)

Free shipping on every order — wheels, tires, and accessories — to the contiguous United States. No minimum order, no hidden fees.

Standard delivery is 4–7 business days; expedited is 1–4 business days. Orders placed before 1:00 PM ET typically ship the same day. We do not ship internationally or to PO boxes.

Fitment Guarantee

If a wheel or tire marked "Direct Fit" or "Aftermarket Fit" for your vehicle arrives and does not fit as expected, we cover both the restocking fee and return shipping. The same applies if the bolt pattern does not match — provided your vehicle information was submitted at checkout.

To qualify for the guarantee, enter your year, make, model, and submodel before placing the order.

Manufacturer's Warranty

Every wheel and tire is covered by the full manufacturer's warranty against defects in materials and workmanship. Coverage terms vary by brand — most cover structural integrity for the life of the wheel and finish for 1 to 2 years from purchase. If you ever have a warranty question, contact us first; we work directly with the manufacturer on your behalf so you don't have to.

Accessories Included with Your Order

When you submit your vehicle information at checkout, the right lug nuts and (if needed) hub-centric rings are automatically added to your cart in the correct sizes — no guessing, no separate ordering.

TPMS sensors are also available in the cart. We program each sensor to your vehicle's exact year, make, model, and submodel before shipping, so they arrive ready to sync with your truck or car the moment they're installed. This typically saves customers the dealer or installer's programming fees, which often run several dozen dollars per wheel.

Returns

Returns are accepted within 30 days of purchase on items in new, unused condition. A 25% restocking fee applies to general (change-of-mind) returns, and the buyer covers return shipping.

The restocking fee and return shipping are waived for incorrect items, transit damage, or fitment issues when vehicle information was provided at checkout. Single wheels, single tires, mounted items, special orders, and accessories (lug nuts, locks, hub-centric rings, TPMS sensors, installation kits) are final sale.

Verified buyers

Owner Reviews

What Happens After You Order

A specialist checks your fitment by hand before anything ships.