X-Tubo-City/Tour: The No Flat City/Tour tubePerfect for pothole-strewn streets, daily commutes, and heavy loads, the X-Tubo-City/Tour is the ideal tube for city roads. Engineered for maximum durability, it offers exceptional puncture resistance and is built to handle the toughest urban conditions. Plus, with a 1-year puncture replacement policy*, it’s the smart, worry-free choice for city cyclists and e-bike riders alike.* after registration on our websiteTPU - high-tech material for the highest demandsAll Tubolitos are made from the high-tech plastic TPU. TPU has been successfully used in the industry for many years and is valued for its outstanding performance.The founders of Tubolito, Ákos Kertész and Christian Lembacher, worked with TPU before founding Tubolito and have built extensive expertise over the years.The combination of TPU with a patented manufacturing process makes it possible for Tubolitos to be small, lightweight, and at the same time puncture-resistant. These properti...