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Title: These just don't work.
Review: Bought a couple of these and they work great until you get a flat. Once the puncture happens they leak green goo all over the place, making a complete mess of your tire. They don't work to seal off the leak at all. You might as well just buy regular tubes without the green goo in it. I am going to try liners next to prevent flats. I think the green goo is just a gimmick.
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