2/4 Pack Ridenow TPU Inner Tubes 700 x 18-32c Bike Tubes with 45/65/85mm Presta Valve

Versatile Size Range: The ultra-light road bike inner tube fits a range of tire sizes, including 700x18/23/25/28/32C, ensuring compatibility with various road bike tire sizes. Special TPU Material: Crafted from special TPU material, these inner tubes offer excellent toughness, enhancing their resistance to punctures while remaining lightweight. Multiple Valve Length Options: With a choice of 45mm, 65mm, or 85mm Presta valves, you can select the valve length that best suits your needs. Inflation Caution: Avoid overinflating when not installed in the tire to prevent irreversible damage. Prior to installation, check for air leaks with a slight inflation. Seamless Installation: During setup, start with 0.5PSI inflation, ensuring the inner tube adheres to the tire's inner wall. Avoid exceeding 5PSI in empty play to prevent irreparable expansion.