Bibike 4-Pack 700x18-28c/32-43c TPU Inner Tubes with 60mm/80mm Presta Metal Valves

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 700x18-28C. The length of the metal valve is 80mm.
• Ultra-Lightweight & Durable: Made with advanced TPU technology, weighing only 38g—striking a perfect balance between lightness and durability.
• Enhanced Air Tightness: Features metal valves (instead of plastic) for superior air tightness and reliability. Performs well in high-demand racing and riding conditions.
• Cost-Effective for Road Cyclists: Offers excellent puncture resistance for high safety, preventing sudden flats and maintaining stable performance even at lower tire pressures.
• 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.