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Sumitomo HTR H4

The HTR H4 is Sumitomo's High Performance All-Season Radial developed to meet the year-round driving needs of sports car, coupe & sedan drivers by blending dry & wet road performance with light snow & slush traction. The HTR H4 radials combine Sumitomo's high tech radial materials & methods with their latest All-Season technology.

The Sumitomo HTR H4's advanced all-season silica tread compound is molded into a pattern that features stabilized independent shoulder blocks with intermediate tread blocks to enhance dry cornering & stability, while three wide circumferential & long parabolic curved grooves combine to enhance wet traction & reduce the risk of hydroplaning. The HTR H4's curvilinear siping adds strategically located biting edges in the tread pattern to increase light snow traction. Internally, the HTR H4 radial's twin steel belts are reinforced by Sumitomo's Jointless Nylon B& (JNB) technology which uses spirally wound reinforcement to provide long term integrity under high speed conditions while it reduces weight & helps provide more uniform ride quality.


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