Bridgestone G851/850 Exedra Tires performance radials designed for large cruisers to offer solid performance and high mileage. Silica-enriched compound offers exceptional level of grip on both wet and dry surfaces. Aramid mono-spiral belt construction offers high-speed stability and improved shock absorption. Blackwall and tubeless. G850-G, 190/60HR17, Radial, Rear, Tubeless, 78H