Product Description
This is a 440/450-20/21 tube with a TR135 center rubber stem. Recommended application is for Bias Ply tires and the recommended tire fitment is for a 440/450-20/21 tire. Fits 440-450 width, 20-21 inch diameter tires. This auto inner tube has a TR135 rubber stem and the valve stem location is center. TR135 stem is rubber stem 2 5/8 inch tall with 5/8 inch diameter at the base.
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