If correctly applied, older style patches do not fail. Too many people use too much glue and not wait until its dry (not tacky) before applying the patch over a hole. Another common mistake is not properly sanding down the area where the patch goes. use 60 grid sandpaper or use the concrete sidewalk or curb. They do a wonderful job in sanding down the tube.
The new thin ones do fail. I'll go to a bike shop and get the name of the newer quickie fix patch.
smilingcat




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