巧取气门芯轮胎气门芯如果断在气门嘴里取不出来,可用一根自行车辐条把螺纹一端插进断气门芯中心孔里,顺时针转动,断气门芯就像螺母一样被拧到辐条上,一拔便出来。巧修内胎慢跑气轮胎有时慢跑气,不容易找到漏气点。先把气门嘴内芯拆下,向内胎加入一些滑石粉,然后装好轮胎即可使 Qiao to take the valve core valve core tire If you can not get out of the valve can be a bicycle spokes to insert the thread end of the exhaust valve core hole, turn clockwise, the exhaust valve core nut is the same as being screwed to the spokes , A pull will come out. Clever repair of inner tube jogging pneumatic tires sometimes jogging, it is not easy to find leaks. First remove the valve core, the inner tube to add some talcum powder, and then install the tire can make