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Tire pressure

Marr

New member
I was checking the front tire pressure, as I had a slight shimmy, and everything seemed ok. I got another tire gauge, and pressure was 5 lbs off. I then got a third gauge, that I thought was probably the best one of the 3. Got 15 lbs in it, and rode 50 miles and all seemed ok. I then got to thinking, first one said everything was good, if I hadn't had 2 others, I'd have believed it was ok. Is there any way to calibrate a tire gauge ? Or who makes a good one. By the way, after I got 15 in them, I checked them with 1 and 2 gauge again, had 20 and 25, need a good accurate one.
 
Tractor Supply

Go to Tractor Supply and get a low pressure round indicating guage 20 psi. Works well as I got more than 27,000 miles on my first tyres.
:riding:
 
It isn't all that critical that your tire pressure gauge is exactly accurate.... It's far more important that it's consistent.

So what if it's out 2psi or say 5%, just so long as it's out the same amount every time you use it!! You just need to make sure you use your tire pressure gauge every time you set your pressures, don't use someone else's & then try to check it later with yours & expect it to read the same as the other gauge showed!!

The thing to do is exactly what Deer Slayer suggested - get a reasonable quality dial gauge that has an operating range that suits your needs & then just stick with it! There are (expensive) gauges available that can be calibrated, but you'd pretty much need to get it calibrated every time you rode/took it anywhere, cos they are pretty fragile & really don't like being tossed around in the trunk of a car or a Spyder, even temperature changes of more than a few degrees can vary their accuracy. You are way better off just getting a reasonable quality gauge, checking it to make sure it's consistent by comparing it to a known accurate gauge or even to any old 'few others' to ensure any discrepancy is always the same, and then using it ALL the time. That way, even if it's a pound or 2 different to everything else, as long as it's always the same pound or 2 different then your pressures are going to be at whatever you wanted them to be ON YOUR GAUGE, even if someone else's gauge reads something different!

Ps - you WANT your tire pressures to increase by about 4-6 psi after riding for 30-60 mins - if they don't, your cold starting pressure was waaaayyyyyy too high & you'll wear out the centre of the tire tread pdq; you'll get a harsh ride cos the tire can't flex, it's pumped up too hard; you'll have marginal traction at best, cos the tread sipes won't be able to flex & grip the road like little rubber fingers & the tread compound won't ever heat up to its operating temperature; and you'll run the risk of road damage &/or punctures cos the tread won't be able to flex over/around it in the manner it was designed to - you might get pretty direct steering tho, but that'll only be for a while (wears steering components quickly) & in the dry, & if the road surface is absobloodylutely smooth, the tire pumped up hard won't flex at all to allow the tire to perform in the manner it was designed to & absorb some if the road & steering stresses, & the moment the road gets wet you'll be riding on roller skates on ice!!
 
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:agree: But if you've got three tire pressure gauges: that's at least two too many... nojoke
Get yourself one really GOOD one, and pitch the others out!
 
Jt's dual fill guage

I was checking the front tire pressure, as I had a slight shimmy, and everything seemed ok. I got another tire gauge, and pressure was 5 lbs off. I then got a third gauge, that I thought was probably the best one of the 3. Got 15 lbs in it, and rode 50 miles and all seemed ok. I then got to thinking, first one said everything was good, if I hadn't had 2 others, I'd have believed it was ok. Is there any way to calibrate a tire gauge ? Or who makes a good one. By the way, after I got 15 in them, I checked them with 1 and 2 gauge again, had 20 and 25, need a good accurate one.

Since the front Spyder tires are very "touchy" and like their PSI to be within 1/2 lb....and I also found guages vary a lot....I got JT's dual fill guage. Easy and accurate. JT is a site sponsor. Check it out...might be an answer .
Then I added the FOBO tire pressure system and that is definitely a must have in my book of "being lazy" To know if my PSI's are correct. TricLED sells that system.:thumbup::thumbup:
 
I used to have several gauges and they were all over the place compared to each other. I got a good gauge that I know is accurate and consistent and anything that was not close to that went in the garbage.
The problem in my mind is that if you have a cheap gauge that is reading way low or way high, is that you will either be over inflating or under inflating by a large amount which is not good for any tire.
Get a good gauge or do what murphybrown suggested and get JT's set up which is a quality gauge and be confident in what you're doing.

Gary
 
Tricky....

There are no air loss guages out there. We always used them to check pressure on front forks on the off road bikes. They are a bit of a hassel to use but if you want to be exact they are. Problem if you are testing several gauges is that each test lets some air out so the guages will always read differently. I use JT's dual fill and know that both tires are the same which is what I really want. How much air is a hunt and peck deal till you are happy and comfortable....:thumbup:
 
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