550/600R21 Tube | TR11 Center Metal Stem

This is a 550/600R21 tube with a TR11 Center Metal stem. These are excellent replacement parts for classic cars with nostalgic bias look radial tires. Recommended application is for Radial and recommended tire fitment is for a 550/600R21 tire. Fits 550-600 width, 21 inch diameter tires. This classic radial tube has a TR11 Metal stem and the valve stem location is Centered. TR11 stem is threaded metal stem 1 1/2 inch tall with 5/16 inch diameter. Actual item may differ from photo. Hartford brand tubes are built to meet our specifications using premium grade materials. They are designed specifically for their applications, to provide a high quality inner tube solution and reliable service life. These are excellent quality tubes, available in a wide range of sizes for collector and specialty vehicle applications.