When every gram counts and you're pushing for peak performance, the Tubolito S-Tubo-Road is your ideal choice. Weighing only 23 grams, this super-compact tube delivers extremely low rolling resistance, surpassing standard butyl tubes and matching latex tubes for speed and efficiency. Designed specifically for road bikes with disc brakes, the S-Tubo-Road combines lightweight engineering with exceptional durability, offering the same strength and puncture resistance as traditional butyl tubes. Its reduced wall thickness not only cuts weight but also makes it incredibly compact, reducing packing size by 78%. This makes it the perfect spare tube for long, hard rides where space and weight are at a premium.