Tubolito for the road: Ready for disc brakes and rim brakes, Tubo-Road easily fits tires with 18 to 32 mm width. Compared to standard butyl road bike tubes you&';ll save almost 70 g of rotating weight per wheel. The puncture protection is equally outstanding: Tubo-Road is 2X more resistant to punctures than a standard butyl road bike tube. for rim and disc brakes for road tires with 18 mm to 32 mm width reduction of rotating mass: 70 gramm per tire double strength compared to standard butyl road bike tubes available with orange and black valve options