High quality Schwalbe inner tube in Presta valve (French) format.
Resated from official literature: "Extremely air-tight! Less air loss means having to inflate less often. Our unique rubber mixture makes it possible. Extremely reliable! Each SCHWALBE tube is individually examined twice at the factory to ensure air-tightness. Special quality control that prevents unpleasant surprises."
40mm valve stem, for use together with rims having Presta/French valve drilling.
Compatible with the follwing tyres: