CYCLAMI 4-Pack TPU Inner Tubes 700cx18-32c Inner Tubes Ultralight 38g 60mm with Metal Presta Valve, Removable Valve Core(4pcs 60mm Valve)

CYCLAMI 4-Pack TPU Inner Tubes 700cx18-32c Inner Tubes Ultralight 38g 60mm with Metal Presta Valve, Removable Valve Core(4pcs 60mm Valve)

• Versatile Size Range: The ultra-lightweight 28-inch 700C road inner tube fits various tire dimensions, including 700x18/23/25/28/32C specifications, ensuring perfect compatibility with all road bike tires.
• Multiple Valve Length Options: TPU inner tubes are With a choice of 45mm, 60mm, or 80mm Presta valves, you can select the valve length that best suits your needs..Featuring premium metal valves instead of plastic ones, ensuring superior air tightness and reliability. The metal valves are also more corrosion-resistant.
• Lightweight and Removable Core: Crafted using advanced thermoplastic polyurethane (TPU) technology, each tube weighs only 38 grams. Compared to standard butyl rubber inner tubes, this TPU ultra-light inner tube reduces weight by approximately 70%.The valve core can be replaced. Users may purchase replacement CLlK valve cores on their own.
• Special TPU Material: Enhanced imported TPU formula resists high temperatures without deformation, maintaining lightweight while significantly improving puncture resistance. Reinforced tear-resistant layers ensure stability during sharp turns and hard braking.Perfectly suited for endurance rides and complex terrain.Ideal for both competitive racing and daily riding needs.
• Inflation Caution: Begin inflation at 0.5 PSI to ensure the inner tube conforms tightly to the rim. Never exceed 5 PSI in an empty tire to prevent irreversible expansion damage. Thoroughly clean the rim and inner tire surface before installation to prevent foreign objects from puncturing the TPU inner tube.