Twin Power Tube 300/325-21 TR6 Metal Center Valve

If you're getting a tire ready for your V-Twin or custom motorcycle, you'll need a solid inner tube to keep it properly inflated. This Twin Power tube is made for popular American V-Twin and custom tire sizes, specifically fitting 300/325-21 dimensions.

It's constructed from seamless natural rubber, which is a well-built material for holding air consistently. The tube also comes with a heavy-duty TR6 metal center valve stem, making it easy to add air and ensuring a good seal.