Accidents happen and components get lost. However, fear not, as Tubus provide the full range of accessories and spares for all their products. The Tubus Plastic Tube End Inserts are designed to plug the ends of Tubus carrier systems. The ideal way to keep mud or water from entering the tubes and potentially damaging the integrity of the carrier, the Plastic Tube End Inserts are the best way to help preserve the longevity of your Tubus product.