


525 sizes in stock, shipped coast to coast or installed near you.

Radial Tire carries Cooper tires in 525 sizes, shipped coast to coast or installed at our Silver Spring shop or a partner installer near you.








Prices are per tire for the ZIP you shop with.
29 lines in stock

The Discoverer STT PRO is the most extreme all-season, off-road tire Cooper offers to date, providing remarkable off-road performance without sacrificing on-road traction. This tire will help you plow through all the mud, dirt, sand, gravel, and rocks you can find. Get the Discoverer STT Pro and get out there!
Skip the confusion around wheel offsets, bolt patterns, and tire sizes. Trust our tire and wheel fitment specialists to handle the details and deliver the perfect fit for your vehicle and driving needs.
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