Quote:
Originally Posted by Turbofurball
The mushrooms put on from the inside last the lifespan of the tyre, those put in from outside aren't as reliable (especially if you've caught something that's torn a non-round hole).
I've had a bout a 50/50 success rate, generally the bad ones develop a slow leak and start working their way out over the course of a few hundred kilometers.
My current off-road bike uses tubes on both ends, so this discussion is a bit moot for me, lol
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Agreed, the various external repairs MAY last the life of the tire, they MAY NOT, and a lot of it depends on the exact damage, and how well you did the repair, and which TYPE of plug you used. In other words, it's a complicated, and a statement saying "it's all good" is not accurate.
To be clear, ALL the tire manufacturers say that the ONLY truly correct fix is to replace the tire. Of course you may choose to make a repair, and I might too, again depending on the damage and speeds I might ride at. 70 mph is the generally accepted maximum speed for a repair.
The RECOMMENDED repair is a "plug patch" applied from the INSIDE of the tire, and only the main tread area, NOT the sidewall or shoulder.
Be sure you know how to use them. 
"Gummy worms" "strings" "Dynaplugs"and my fave the nice "8" plugs from Rema TipTop that used to come with BMW's, while excellent are considered "temporary repairs". They're great to get you back on the road quickly and easily, until you get to somewhere you can take your time, pull the tire and do a proper repair from the inside - or not - YOUR choice!
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Grant Johnson
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