The MICHELIN inner tube remains to this day the best quality available on the market, it is thicker than other ranges, and is more resistant to the most extreme stresses. MICHELIN MICHELIN 13F13 Airstop inner tube with oblique outlet valve. Suitable for tire 7.25x13 185x13 195/70x13 205/70x13 6.40x13 7.00x13 185x13