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.
The ST770 application specific tread compound resists cutting and chipping. It features a four steel belt casing construction which resists punctures, increases vehicle stability and contributes to more retread cycles. Its notches on solid shoulder ribs reduce the effects of scuffing in turns. The ST770 is a wide-base tire specially designed for spread-axle trailer service.
For over 2 decades, Tires Easy has served the online tire community. With over 8 million tires sold, 43K+ 5-star reviews, and tens of thousands of tires just one click away, there’s a reason why millions of customers choose Tires Easy as their online tire destination.
Sumitomo Tires, founded in 1909 in Japan, is a major global tire manufacturer recognized for its precision engineering and advanced technology. Operating in over 150 countries, Sumitomo is trusted for its high-performance and reliable tires, offering superior handling, durability, and safety for a wide range of vehicles including passenger cars, trucks, buses, and motorcycles. Through its Falken brand, Sumitomo actively participates in demanding motorsport events like the Nürburgring 24 Hours, demonstrating the extreme performance and endurance of its tire technology.
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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