Nitrogen
#22
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#23
Just to throw my penny in... I do have nitrogen filled tyres because i have spoke wheels and l know spoke wheels leak air more than others. Even more so if they sit arround for any length of time. Mine have been a constant for over a year! I also note that once up to temp, they dont cool off as fast if the weather turns nasty, gotta be safer in my mind.
#24
I thought spoke wheels have tubes in them. I could be wrong, but I didn't know tubes leak more than tubeless tires.......hmmmmm.
#28
Ever watched a party balloon go down after a couple of days??.... the thinner the rubber, the quicker the smaller air molecules escape. Fill up a new innertube and the same will eventually happen. However fill that same balloon/innertube with just nitrogen and sit back and watch.... you tell me..
#29
Nitrogen is also used in some stock car racing tires too, when I used to work with a crew at a local small track here in NH we ran nitrogen in the tires because it didn't change as much when heated which allows you to have a more consistant "stagger" in your tires, stagger is diameter differance between the tires which is a great factor in the suspension and handling setup of the car.