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The National Double Coin RT500 is a low profile highway tire designed for all wheel positions. Its 5 rib tread design offers smooth rolling and exceptional handling. The deep tread delivers longer mileage and superb traction in wet conditions. The sturdy carcass and optimized footprint ensure superb ride stability. In wet conditions, the wide grooves remove water from the contact patch to lower the possibility of hydroplaning while sipes increase grip.