On the tire with an inner tube, the valve is mounted on the tube. On the tubeless tire, the valve is mounted on the wheel rim.
有内胎式轮胎气门是直接做在内胎上的，无内胎式轮胎的气门安装在轮毂上。
The invention concerns the structures and production of tubeless tire beads the seal of which on the rim and the resistance to degradation of which are increased.
该发明涉及的结构和无内胎轮胎珠生产的密封环，其中退化和其中增加阻力。
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