Af hverju klemmir dekkpúðarbeltið innri rörið

Are you wearing double straps or single straps? If it is single, the cushion belt is damaged; The inner tube was broken at the opening, or the holding edge was not completely opened during installation. If it is double, the two cushion belts are the same size, and Yang will also rotten the inner tube; It's better to have a smaller one inside and a larger one outside.