2 Pack Ridenow TPU Tubes 700x18-32C/32-47C with Metal Presta Valve, Removable Valve Core

Additional Details from the Manufacturer

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More features

• Versatile Size Range: The ultra-light road bike inner tube fits a range of tire sizes, including 700x18-32C, ensuring compatibility with various road bike tire sizes.
• Ultra-Lightweight & Durable: Made with advanced TPU technology, weighing only 36g—striking a perfect balance between lightness and durability.
• Enhanced Air Tightness: These inner tubes feature metal valves instead of plastic ones, ensuring superior air tightness and reliability. The metal valves are also more corrosion-resistant.
• 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.
• Proper Inflation Tips: Do not overinflate when not installed in the tire (to avoid irreversible damage). When installing, first inflate to 0.5 PSI to ensure the tube fits closely to the tire's inner wall.