Teravail Inner Tube

This tube is designed for 20-inch wheels with ISO diameters of 406 or 451. Before purchasing, verify your tire sidewall to ensure it matches these ISO standards, as 20-inch tires can vary in width and bead seat diameter.

The 0.9mm thickness is a deliberate middle ground. It provides enough material to resist common punctures and pinch flats during daily riding, while remaining light enough to keep your bike's handling responsive.

Yes. Because this tube features a removable Schrader valve core, you can easily install valve extenders if you need extra length for deeper rims or specific pump head clearance.

This tube is constructed from butyl rubber. Butyl is the industry standard for inner tubes because it holds air pressure consistently over time and is highly resistant to heat and wear, making it ideal for everyday use.

Yes, this tube features a 35mm Schrader valve. This length is standard for most 20-inch rims, but be sure to check your rim depth to ensure the valve will protrude enough for your pump head to attach securely.