Mtb tubes are usually heavier and hold air longer.
Oh the joys of pumping up the volume. I once sat alongside a trail trying to use my Blackburn pump on my mtb tire and broke the presta valve clean off. It continued to hold air but I learned to rethink hand pumps on the trail.
Then there are those darn floor pumps that don't want to latch on correctly. Or leak air. Or don't pump easily.
I use a Specialized floor pump that automatically fits both presta and schrader valves. I also have a small air compressor to air up my tires and that's the easiest and quickest method. I use it to air up my tubeless tires when I am converting them to Stan's.




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