At a featherweight of about 23g, the super-compact S-Tubo Road tube stands out from the rest. The low rolling resistance of the Tubo outpaces standard rubber tubes, yet is comparable to latex tubes. With a significantly smaller packed size and the same puncture resistance as standard tubes, the S-Tubo Road is the perfect choice as a spare and can be the crucial factor when you're riding long and hard. - S-Tubo series tubes are intended for spare tube use - Easy to install to get you back on the bike - Designed for disc brake use only https://www.sefiles.net/images/library/large/tubolito-s-tubo-road-presta-valve-tube-379724-11.png Bicycling Catalog > Tires/Tubes > Tubes: All Sizes/Types Sporting Goods > Outdoor Recreation > Cycling > Bicycle Parts > Bicycle Tubes 32.95 USD in stock 2026-04-23 379724-4312961 33000043 09120077574011 Black 700c x 18 ? 32 379724-1 0.75 lb 0.00 unisex adult n https://www.n1bikes.com/product/tubolito-s-tubo-road-presta-valve-tube-379724-1.htm?variations=3769810,3769811,4922989 new Tubolito Tubolito S-Tubo Road Presta Valve Tube At a featherweight of about 23g, the super-compact S-Tubo Road tube stands out from the rest. The low rolling resistance of the Tubo outpaces standard rubber tubes, yet is comparable to latex tubes. With a significantly smaller packed size and the same puncture resistance as standard tubes, the S-Tubo Road is the perfect choice as a spare and can be the crucial factor when you're riding long and hard. - S-Tubo series tubes are intended for spare tube use - Easy to install to get you back on the bike - Designed for disc brake use only