Today i spent the entire morning changing tires. I had 3 cars to change tires on but i handled 24 tires. I did use the little niva to move them from one garage to the other. The tire machine is very handy also takes lot of time and energy, but still less than waiting at the tire shop and still having to pay for them to scratch your rims. Changing the tires wasn't hard i did have an issue with one valve stem, it was dryroded cut it off clean the surround pop a new one mounted the tire started to air it and it leaks, it has a defect in the rubber when it was molded. Defeated the tire broke the bead cut that one pull thru a new one that one the threads stripped, new valve stems are made from aluminium just painted gold to look like brass. Cut that one also installed a 3 rd valve steam and finished the job, thankfully all the tires hold air and mounted well. All the tires i moaned come second hand, i'm interested have you had issues with standard rubber tire valves, around here i can't find good quality ones, even the germany marked ones are made from aluminium ir zink just painted and fail on mouting.
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