Bib Mousse™ - Enduro - Extreme It is an innovative foam-based technology that is inserted between the rim and the tire instead of a classic inner tube, Lighter than a reinforced inner tube and provides a pressure equivalent of 13.05 psi, Specifically designed for off-road competition use, at speeds up to 80 mph (130 km/h) - under no circumstances should Bib Mousse™ be fitted to motorcycles for on-road use., Includes a tube of Bib Mousse™ mounting gel; installer be sure to follow installation instructions., Michelin Bib Mousse is only designed for off-road use and is not street legal., May be used only with Michelin off-road enduro extreme tires.