- Constructed from high-quality butyl rubber for enhanced air tightness, heat resistance, and long-lasting durability, ensuring reliable performance for your cycling needs. - Presta valve inner tube compatible with 29-inch tires, sizes 1.75, 1.95, 2.0, and 2.125, with a valve length of 48 mm, designed to fit a variety of mountain and hybrid bikes. Key Benefits: - Superior Air Tightness: The butyl rubber material prevents air leaks, keeping your tires inflated longer and reducing the frequency of maintenance. - Enhanced Durability: Built to withstand tough riding conditions, this inner tube delivers consistent performance whether on rugged trails or smooth roads. - Heat Resistance: The tube maintains its integrity even under high temperatures, providing safety and reliability during intense rides. Practical Use Scenarios: - Enjoy a weekend mountain biking adventure without worry—this inner tube can handle rough terrain while keeping your tires properly inflated. - Perfect for daily commutes or casual rides, ensuring you have a dependable and long-lasting inner tube for your cycling needs. - Ideal for competitive cyclists who demand consistent performance and resilience in varying weather and track conditions. Experience peace of mind with a product designed to deliver optimum performance, making your cycling experience enjoyable and hassle-free.