Tubolito S-Tubo 700C Road 60mm Presta Valve in Black (700 x 18-32mm)S Road: When youre in a hurry: With only 23g the super compact (when rolled up) S Tubo Road stands out with its very low rolling resistance which outclasses standard butyl tubes yet is comparable to latex tubes. With its 78% smaller packing size and the same puncture resistance as standard butyl tubes the S Tubo Road is the perfect choice as a spare and can be the crucial factor when youre riding long and hard. Specifically made for disc brakes (not