Pirelli Cinturato SmarTube X Bicycle Tubes

• 70% weight savings compared to conventional tubes* 50% smaller than conventional tubes* 3x thicker than standard SmarTUBES* Not for use with rim brakes* Not designed to be repaired* Constructed of Thermoplastic Polyurethane* Weighs just 150 grams
• The volume of the Cinturato™ SmarTUBE X saves 50% of space in your pockets, while being stronger than a butyl tube and saving up to 70% of the weight.
• Cinturato™ SmarTUBE X is 3 times thicker than a standard SmarTUBE, allowing it to be extremely resistant and protected to challenge any obstacle on your ride.