- Size: ETRTO 40/57-559 | 26 inches | Medium - Valve: Compatible with car valves for easy inflation - Material: Made from highly elastic rubber, this inner tube accommodates various tire sizes, ensuring versatility - Quality: Engineered for durability, our bicycle tubes are constructed from robust rubber, prioritizing long-lasting performance Key Benefits: - Versatile Fit: The elasticity of the material allows this inner tube to fit multiple tire sizes, reducing the need for multiple tubes and simplifying repairs. - Easy Inflation: The car valve design means compatibility with standard air pumps, making it quick and convenient to inflate your tire. - Reliable Durability: Crafted from high-quality rubber, this inner tube withstands wear and tear, providing peace of mind during your rides. Use Scenarios: - Daily Commuting: Perfect for city cyclists who need a reliable inner tube for frequent use, ensuring that you can tackle the road with confidence. - Weekend Adventures: Ideal for off-road biking, this tube's robust construction can handle rough terrains without compromising performance. - Emergency Repairs: Keep one on hand in your bike kit for quick fixes during long rides, allowing you to get back on track without hassle.