Teravail Standard Presta Tube - 700x20-28C, 40mm

Presta Valve Bike Tube for 27" or 700c Wheels (700c x 23-25mm) is the highest quality inner tube made. The valve is carefully molded into the tube and reinforced for dependability and long life. 32mm Valve stem Fits 27" tires where the width is 1" Fits 700c tires where the width is between 23mm and 25mm (most road bikes)