* With the many potholes and speed bumps breaking our roads, flat tires are more numerous. * With the multiplicity of "pseudo-bike tracks" installed close gutters filled with pieces of glass, it is almost impossible not to repair every week. . * So I abandoned the lite tubes (competition) for it thicker. * Also, I opted for a tire 25 (comfortable) in which this tube is compatible. . ** This tube gives me all the pleasures of using a bike to pedal (not to repair the edge of the road).