The Tube 400/450 10 Tr 87 Valve Stem is a durable and reliable inner tube designed for use in various types of tires. Its key features include a 10-inch diameter, TR87 valve stem, and compatibility with 400/450 tires. The tube provides excellent air retention and puncture resistance, ensuring a smooth and safe ride. Its unique selling points include high-quality construction, easy installation, and long-lasting performance. Overall, the Tube 400/450 10 Tr 87 Valve Stem is a top choice for those seeking a dependable inner tube for their tires.