Extremely air-tight! Extremely light (79g)! 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

Features
. 80mm Presta valve
. Size: 700x18-25C
. Weight: 79g

Schwalbe 'Extralight' tubes can only be used with rims with a maximum inner rim width of 19mm,(19C).