Schwalbe's Road Tube is air-tight and reliable, which is exactly what you need from a road tube. The unique rubber used for this road tube means you have less air loss. Each Schwalbe Road Tube is specifically examined to ensure it is up to their high standards of reliability and performance.
Extremely air-tight. Less air loss means having to inflate less. A unique rubber mixture makes it possible.
Extremely reliable. Each Schwalbe tube is individually examined twice at the factory to ensue air-tightness. Special quality control that prevents unpleasant surprises