S-Tubo series tubes are intended for spare tube use Read more.
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.
