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[grc]

So If I fill up with air . wait till I lose 20% of my air will I have only Nitrogen left in the tires?          Billy

Absolutely!  And to carry it a bit further, I'd suggest you inflate the tire to 50 psi initially, and when it loses the 20% that isn't nitrogen you will then have the correct 40 psi.  If you also believe all the other hype, you will then have no further need to check your tire pressures, since of course nitrogen has such huge molecules it can't escape anything smaller than a nail hole.

Jerry

[RayG]

I check the tire pressure almost weekly in the riding season.  I have a shelf in my shop where I use a large Sharpie marker to write down the air pressure for riding solo, two up, and two up with gear. If I'm carrying a load solo I make the adjustments as needed.  I'm guessing that about half the time I'm adding air when it's low is likely due to the slight amount of air that escapes when I put the air gauge on.  I always check the air pressure cold & prior to a ride.  I have a small check list that is also written on the shelf.  My memory is not as good as it once was.  Is it possible that an aggressive riding style along with numerous & deep pot holes could let some air out on certain brands.  The way I change front & rear tires on my No Mar due to cupping Nitrogen would have to be free. 

Get a good gauge, check often, make sure you check it cold or prior to riding.

[FlaHeatWave]

Actually the best practice is to follow the recommendation in the owner's manual.  For my ultras (and all the touring bikes I think - other models may be different) it is 36 front; 40 rear.  The max pressure stamped on the tire is just that - the absolute max pressure.  I wouldn't want to run any tire that high.

It's just a max pressure, go by the owner's manual.

I see more tire pressure changes as the (ambient) temperature fluctuates.

[TXGator]

Thanks everyone...  So stupid of these to think of these tires like I do my truck and assume that I would be able to just by sight..  When I finally checked them I had like 25 front and 31 rear..  I assume that part of that is because I bought the bike in dead summer and this check was at probably 50 degrees out.  Took them to the moco rec's and ride is much better...  Actually I believe that they probably came from the dealer that way since they sent me home with the shock aired to 15 psi with both me and my wife on board. 

No more taking anything for granted.

[RayG]

You will thank yourself for the improvement in the ride, suspension and possibly your breaking not to mention tire wear and your personal safety. 

[grayghost731]

Best  tires for aggressive  cruising ?    Need Some.     I understand we all ride different, just want some opinions.   

                                                                                                             Thanks     



    Not   meaning to           That's    why  I  waited     

[TXGator]

You will thank yourself for the improvement in the ride, suspension and possibly your breaking not to mention tire wear and your personal safety.

Oh absolutely.  You have to understand though that when you pick something up new and think that it is probably set up correctly (rather than verifying), you believe that it is performing the way it is supposed to.  This bike rides sooo much differently with the correct pressures in the shocks and tires that it is night and day.