What Our Gearhead® Experts Are Saying:"This tube is a lifesaver on the trail. It’s so lightweight and compact I almost forget I’m carrying it, but when I need it, it’s just as reliable as a standard tube. Perfect for minimalist riders."When we’re hitting the trails, we want gear that’s lightweight and dependable, and the Tubolito S-Tubo MTB Tube delivers on both fronts. Designed to be as compact as possible, this tube takes up minimal space in our pack or saddle bag, making it an ideal spare for long rides. Despite its featherweight construction—only 43 grams—the S-Tubo doesn’t compromise on durability, offering puncture resistance comparable to standard butyl tubes. Designed specifically for disc brake setups, it’s the perfect balance of performance and convenience for weight-conscious riders.