I'm a big fan of slime tubes. When you get a flat, just spin the wheel a few times. Depending on how big the hole is, the slime will seal it in a few minutes. Then just pump that baby up and go. But give it a little time before you add the air. I had a puncture on a front tire and the slime actually squirted out onto me. After I got off and spun the tire and sorta rubbed the spot, I was able to pump it up and finish a 75 mile ride. The flat happened in the 1st 3 miles. They work really well.
If you have a huge hole, the slime can't fill that--like a blow out.



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