The Pirelli Cinturato SmarTube X is a cutting-edge inner tube designed to enhance the reliability and performance of urban, gravel, and e-bike riding. It is crafted from thermoplastic polyurethane (TPU), known for its high elasticity, mechanical resistance, and remarkable lightness, making it an exceptional choice for riders seeking enhanced durability and puncture resistance.Explore the distinctive features of the SmarTube X:Increased Thickness and Robustness: Utilising TPU material that is three times thicker than its predecessor, this feature ensures an unmatched level of durability and puncture resistance, making it ideal for navigating the challenges of city streets and fast commuting.Extreme Lightness: Despite its enhanced robustness, the SmarTube X remains significantly lighter than traditional butyl inner tubes, offering up to 70% weight reduction which translates into easier handling and reduced fatigue during rides.Compact Design: Engineered to be 50% more compact than conventional tubes, it fits effortlessly into a jersey pocket or backpack, providing a convenient, space-saving solution for riders on the move.Versatile Valve Options: Available in a variety of Presta and Schrader valves to accommodate different rim profiles, ensuring a seamless fit and optimal functionality across a wide range of bicycles.The Pirelli Cinturato SmarTube X stands out for its unparalleled blend of durability, lightness, and convenience. It is specifically engineered to complement disc brake-equipped bikes, offering a reliable and efficient solution for everyday riding and long-distance journeys alike. By opting for the SmarTube X, you are choosing a product that not only meets the demands of modern cycling but also enhances your overall riding experience. It's a smart addition to your cycling setup, ensuring you're always prepared for the road ahead.Specification:Presta valve: 42mm length to work with the majority or rim depths, black colour for a clean and understated lookWeight: 700 x 28.40c PV - 146g, 700x40/50c PV - 150gIntended solely for Disc Brake equipped bikes DO NOT USE if the bike is equipped with RIM Brakes.