Trans American 23x8-11 / 23.5x8-11 / 24x8-11 / 24x9-11 Inner Tube with TR6 Straight Metal Valve Stem Quality Trans American ATV Tire Inner Tube. Fits, 23x8-11, 23.5x8-11, 24x8-11, and 24x9-11 tires. TR-6 metal valve stem is common for most ATV/UTV applications.