Features: 1. More Durable: Made of high-quality butyl rubber material, the bicycle inner tube offers better sealing performance, ozone resistance, anti-aging properties, shock absorption, and electrical insulation, ensuring long-lasting durability. 2. Safe Bike Tubes: The butyl rubber inner tube helps absorb impact from rough roads, providing a comfortable and safe riding experience. It is heat resistant and durable enough to withstand daily use. 3. Easy to Install: Tire levers included for easy removal and installation of the inner tube, making tire changes simple and convenient. 4. Application: This bike tire tube with Presta valve is compatible with 700c tires with a width of 23mm / 0.9in. 5. Accessories: This durable butyl rubber bike inner tube is a great replacement for damaged or worn inner tubes and is suitable for most bicycles, including mountain bikes and road bikes. Specifications: Item Type: 700x23c Inner Tube Material: Rubber Product Color: As shown in pictures Inner Tube Size: 700x23C Product Weight: Approx. 221g / 7.8oz Valve Type: Presta Valve Package List: 2 x Inner Tubes 2 x Tire Levers