Even lighter, even more compact, the Tubolito S-Tubo Road is an ideal spare tube.78% lighter than a standard tube75% smaller to take up the least amount of space in your jersey pocketSame rolling resistance as a latex tubeSuitable for disc brakes onlyWeight: 23 grams (42mm), 24 grams (60mm)The Tubolito S-Tubo Road Inner Tube provides the benefits of latex but with the puncture resistance of butyl. Claimed to be the lightest and smallest inner tube available, the S-Tubo has been manufactured with a thermoplastic Polyurethane elastomer, called PU. This group of materials is known for its durability and excellent damping abilities. 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. Ready for disc brakes and compatible with 18-28mm tyres. If you do get a puncture with the Tubolito it ll be quick and easy to repair using the Tubo Flix Kit (sold separa