Quote:
Originally Posted by markharf
Doesn't hurt to add a tube if you're at all doubtful.
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True but if you add a tube make certain to remove the plug as with any other protrusions as it can wear a hole in the tube if you don't remove it.
I have had many plugs on all sorts of holes. In short it depends on how good a fit the plug was. I have had several holes that couldn't even be plugged and then hand to use a tube. (I ride a 1200GS with alloy rims).
No matter what plug you put in it is still a repair and doesn't hold the same as a new tyre would. Best to regularly check the pressure and if you notice it going down regularly, then either put on a tube or replace the tyre if it is already worn.
FYI from Iran to Austria (approx 4,000kms) I rode with a plug in the rear tyre fully loaded 2up and didn't have a problem but I was also constantly checking the tyre pressure.
On the other hand if you have an under inflated tyre it will wear a lot quicker. This you will probably see if you ride for enough kms. Not to mention the danger with riding on under inflated tyres on the road.
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