Tubolito Tubo Road Tube The Tubolito Tubo Road Tube is lightweight at 38g, which will get you rolling quicker thanks to less rolling resistance which outpaces standard rubber tubes yet is comparable to latex tubes. It offers 70g of weight saved compared to a standard tube - which can be crucial when it comes down to the wire. The Tubolito Tubo Road Tube is suitable for disc and rim brakes so time to upgrade your tubed set up on your roadie. Tubolito is setting up to be the new face of cycling tubes in a world being dominated by tubeless set ups. Features38g tyre width: 18-28mm Valve valve: 42mm, 60mm, 80mm (40mm valve + 40mm valve extender) Compatability rim brakes, disc brakes | Tubolito | Tubo Road Tube 700 X 18-28Mm, 42Mm Presta Valve | Rubber