this crankset component reduces friction and extends drivetrain life

Made from advanced Q-Skin® yarn

offering a comfortable fit and essential features

Its folding design enhances portability without compromising strength

enabling data-driven training optimization

sportube 26 27 5x2 1 2 4 fv 48mm PARTS2026 this crankset component reduces frictionSportTUBE 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.