Nitrogen is used for two reasons, first it's a bigger molecule than air so it doesn't lose pressure. Second is pressure fluctuates with temp, nitrogen holds a more consistent temp. So unless it's for racing or extreme conditions it's just a gimmick rather than help.We went from -15F to 70F in the time I was in Japan. ie, 10 days. I am one of the few that actually checks my air pressure, but if my truck drops 5lbs in a tire it handles wickedly different and I am somewhat anal.Anal...lol we get offended when you talk about ass around here Nobody got offended. Nobody wants to hear about your anal issues. It's bad enough we have to read your "normal" posts. Then you beat shit to death because you get butt hurt. Pun intended. And how do you know they are not another SSA member with a chunk of meat hanging from there anus that can gain some knowledge from this topic? You don't! This is off topic and I got some brothers opinions that was caring enough to help,so find you somebody else to stalk quit viewing my profile Have some fucking decency. I know this is the hop but you post some nasty shit. like ?? You are so full of it..lol Who the fuck washes their shit stained underwear in their kitchen sink? You do.