Spoked-wheel rim tape from Continental, designed to sit between the spoke nipples and the inner tube. Protects the tube from chafing and puncture damage caused by spoke ends, a small part that prevents a lot of trailside flat tyres. Fitted around the rim before the tube and tyre go on. Sized to match common motorcycle wheel diameters. An essential consumable when fitting or refreshing a tubed setup on spoked rims, and worth replacing whenever you change tyres.