IRC 18" Heavy Duty Center Metal Valve Inner Tube with TR-4 valve stem delivers reliable performance for demanding applications. Built with reinforced rubber compound and a durable metal valve, this tube withstands heavy loads and frequent use without compromising integrity. The TR-4 valve stem ensures secure, leak-free sealing and straightforward installation. Engineered for powersports and industrial equipment, it provides the durability and dependability professionals expect from premium inner tube solutions.