enabling data-driven training optimization

This helmet isn't just about speed

Made from advanced Q-Skin® yarn

offering a comfortable fit and essential features

Its folding design enhances portability without compromising strength

sportube 26 27 5x2 1 2 4 fv 48mm PARTS2026 enabling data-driven training optimizationSportTUBE is a classic butyl inner tube designed for reliable everyday performance across a wide range of cycling disciplines. Offering excellent air retention and dependable durability, it is an ideal choice for everything from road cycling and gravel riding to commuting and recreational cycling. Available in a comprehensive range of sizes and valve options, the SportTUBE provides a dependable solution for virtually any bike setup.