The Q-Tubes Superlight 700 c x 23-25 mm Presta Valve Tube is a lightweight high performance tire tube featuring removable valves and .76mm wall thickness with Q-Tubes reliability. .76 mm wall thicknessRemovable Presta valve coreThreaded shaftRemovable valve coreButyl tube compoundValve: Presta XLong 75 mm+Weight: 98 g
