I've got 3 tubes in my kit for the TNR route but that's so if I have to replace two I've got one spare to swap out in case I get another flat (and I'll repair the one I'd swap out). Obviously 4 means you can replace both tubes which is sort of nice.
@atz started
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I've got 3 tubes in my kit for the TNR route but that's so if I have to replace two I've got one spare to swap out in case I get another flat (and I'll repair the one I'd swap out). Obviously 4 means you can replace both tubes which is sort of nice.