The S-Tubo-CX/Gravel-All is not just a spare tube but a versatile companion for your cycling adventures. Whether you're out for daily rides or need a reliable backup, this tube is designed to deliver robust performance comparable to standard butyl tubes. Despite its lightweight construction, it remains exceptionally strong and durable. It's also 75% smaller to take up the least amount of space in your jersey pocket. Weighing only 35 grams for the 42mm valve, the S-Tubo-CX/Gravel-All is among the lightest CX/Gravel tubes in the market. This minimal weight translates to lower rolling resistance, providing you with a smoother and more efficient ride, which can be a significant advantage during competitions. This tube is compatible with both 700C and 650B tires, accommodating tire widths from 32 to 47 mm. It is specifically designed for disc brake systems, ensuring safety and optimal performance.