When you’re in a hurry: At a featherweight 23g the super-compact (when rolled up) S-Tubo Road stands out with very low rolling resistance which outpaces standard rubber tubes yet is comparable to latex tubes.
Labeled Size: 700 x 18-28 ISO Width (mm): 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ISO Diameter: 622 / Road / 29" Shaft Type: Smooth Valve: Presta Med 41-55mm Weight: 23 Tube Compound: Thermoplastic Elastomer Specifically made for disc brakes (not suitable for rim brakes).With 78% 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. Tubolito S-Tubo Road 700 x 18-28mm Tube - 42mm Presta Valve, Disc Brake Only.