For 29er tires, more than 100g per wheel can be saved with Tubo tubes compared to standard butyl tubes--and almost twice as much space when packaged. Their riding safety is twice as high as for standard tubes and offers maximum protection against a breakdown. The assembly is just as easy as standard tubes. Tubolito tubes are also a lightweight alternative to a tubeless setup. - Tubo series tubes are intended for everyday use - Easy to install and serves as a lightweight alternative for tubeless riders - Designed for disc brake use only - 42mm valve length