Description
Presta valve air chamber with anti-puncture fluid Michelin Protek Max A4 40 mm
This tube has a square shape with bumps, it provides a perfect fit on the rim by eliminating the phenomenon of twisting. This tube also has a special feature. Indeed, a self-sealing liquid (preventive) was added by injection. Effective against the torments of the perforation. Easy assembly and removable presta obus. Avoids punctures and allows the maintenance of tire pressure.