Just wondering what sort of pressures people are running.
I'm one of those converts to around a 100psi for racing and general riding - maybe a little less for wet roads. I reckon you roll much better and get much better grip. Any other followers of lower pressure? or maybe you are a high pressure follower?
What do you think?

I ride about 100psi front and 105psi in the rear. Anything more and it's gets harsh for me on less than perfect roads.

Depends on the brand of tire. Some tend to ride a bit soft, so I tend to add a few (5 or so) psi. I noticed this when I went to Vredesteins - they seemed to feel much softer at 100 psi than the Michelins they replaced, so I inflated to 105 initially - peace of mind I guess - I got sick of wondering if I had a puncture or not on the first several rides. Not a whole bunch of ride difference (I weigh 200 lb) at 105, but if I put a gauge to what I feel is a properly inflated tire (for me), they average out to about 100 psi.

Around 105-110 for me.

On a course with mainly smooth roads and I want to go fast, I like to take my Vreds all the way up to 145.

On normal or rough roads or just goofing around, I like about 125-135 on the Vreds.

If its wet, icy, dirt or packed gravel I take them down to about 110-120.

I weigh about 230 these days (it's winter; give me a break), and I've given up both tires skinnier than 32mm AND pressures over 100 psi. Occasionally I'll run 28s (which usually measure about 24mm in real life) and pump them to 100-105, but probably 80 percent of my riding is on 32 or 35mm Paselas at 80 or so. Rolls fine, comfortable, and I wouldn't be fast enough to impress anybody even if I pumped them to 150psi.

...I noticed any lower and it feels to soft.I have gone higher in the past but have backed it off for a smoother ride.I don't feel theres a substantial loss of speed at the lower pressure do to the fact I'm slow to begin with. :D

Seems us slow guys are probably the most content riders.While everyone else is trying to get faster we just ride for the fun of it.

I've used a lot of different tires and they differ as to psi. I weigh 195-200 (winter) and I inflated my Conti GP3000's (what I usually ride with) to 105 F/R. I was running 120 and slowly dropped my psi over a long period of time after reading Uncle Al's article on the RoadBikeRider.com newsletter a couple of months ago. I recently installed Vittoria Open Corsa EVO CX's and I started out at 110 and they felt fine. I dropped to 105 and my rear tire felt real squirrelly on descents (like I had a flat). I checked the sidewall when I got home and they listed the psi rating as 8.5-10 bar (115-145), so I inflated back up to 115.

I think the inflation level you set your tires at has a lot to do about the brand of tire, your body weight, the type of riding you do, and the types of roads you ride. I don't think it's one-for-all.

Another factor to consider is the gauge on your floor pump, most are not accurate. My old Blackburn pump was 5 lbs under the indicated setting. You should take the time to calibrate your floor pump and adjust accordingly.

I noticed that riding with a lower psi made my bike ride better and my tires last longer. You have to experiment. I started by dropped my psi 5lbs a pop and over a period of months until found what felt best for me.

But like I mentioned not all tires are the same. I just installed new tires on my Ford F250, switched to a different brand (same size) and it rides like a different truck. Bike tires are the same way...

110 rear/100 front on Axial Carbons. I'll drop both 10psi in sketchy conditions. My logic for the front/rear dichotomy is not that I want to avoid pinch flats in the back, but that I want better traction in the front. Last time I washed out the front tire I wound up with about 30 stitches in my chin. I'd rather avoid that.

Running GP 3000 tires, 95-100 front, 105 rear and I weigh 225lbs.

I weigh ~150lbs and I ride with 100-110 psi in the tires.

I run about 110 - 120 front and rear. I am 145lbs.

John

95 - 100 psi in Michelin Pro Race tires.

120 always. no question. find one and stick with it.

Just wondering what sort of pressures people are running.
I'm one of those converts to around a 100psi for racing and general riding - maybe a little less for wet roads. I reckon you roll much better and get much better grip. Any other followers of lower pressure? or maybe you are a high pressure follower?
What do you think?
the roads are in usually fair condition. i try and avoid potholes. but they definitely are not smooth like new.

when the 3000's get below 100psi they feel too squirrelly as if going flat. i weigh about 180-190 and this is on a steel frame.

100-115 in 23cm GP3000s. I weigh about 200 though so lesser pressures would subject me to pinch flats.

I have been running 95-100 PSI in the front and back (down from 110) for over a year and found that I get fewer flats and more comfort. I cannot notice any handling differences, but I do not race.

120 on both I weigh about 185

It's like a ritual, before every ride, along with the 3 cans of Red Bull!

Just wondering what sort of pressures people are running.
I'm one of those converts to around a 100psi for racing and general riding - maybe a little less for wet roads. I reckon you roll much better and get much better grip. Any other followers of lower pressure? or maybe you are a high pressure follower?
What do you think?

I weigh 60kg and ride 23 section rubber. Generally run 100psi in the front and 105psi in the rear which helps in the wet. Sometimes taking it up +5 front and back when it's sunny and dry, not often so far this year in London.

With tubs, I sometimes run them even lower, down to 85psi front and 90psi rear but I haven't used my sprint wheels in almost 4 years. Too much broken glass around town.

115-120 on the roadie. Sometimes I let it go below that for a softer ride but rarely.

Mountain is a lot different: rated pressure (60-80) if I'm on decent singletrack but
if I want a softer ride or I'm riding harder to ride stuff 40-ish.

But not below 40 by much or I lose lateral control in the rear.

I am using 110-115 psi for Conti Sprinters (22mm). I weigh about 190 and I have dropped down to the 110-115 psi from 125-135. The higher pressures cause too much vibration on chip-and-seal roads. If the pressure drops to 100, the tire feels too squirmy and I don't have the confidence cornering.

Just wondering what sort of pressures people are running.
I'm one of those converts to around a 100psi for racing and general riding - maybe a little less for wet roads. I reckon you roll much better and get much better grip. Any other followers of lower pressure? or maybe you are a high pressure follower?
What do you think?
Yeah, I'm a low-pressure convert. Michelin Dynamics are my current bad weather commuter tires and 95/100psi works fine front/back. I have even gone 5psi less on each and it's still rides great.

For my Panaracers (which I haven't used since Octoberish), similar psi's worked as well. I might have needed a little more to get back a little extra road feel. Sometimes it can be too smooth, to the point of being worriesome - if there's such a thing.

I usually run my Michelins around 110-120. I just picked up a set of Conti Supersonics and jacked them up to 160 for riding on the rollers. Man are those hard! Not sure I'll be running them that high when I'm racing though.

Max tire pressures on the sidewalls of tires is just that...MAX; it doesn't mean that is what your suppose to pump it up to! There's a lot of variables but mostly weight. This same thing applies to car tires; your car tires may say 45 PSI but you manufacture placed a label on the front door saying they recommend 25 for max wear for the weight of the car and size of the tire. And so it is with bikes accept the bike company does not place a sticker on your bike. I ride with Specialize Armadillos (700x26 frt & 28rr) and weigh 163, I put 90 in the front and 100 in the rear, I found this to work the best for me with these tires-but each tire is different just as car tires are different. If I weighed 263 I would probably put the max of 135 in the tire and maybe as much as 145 especially in the rear depending if I got pinch flats or too many flats due through the side walls. The rolling resistance from 90 to 135 is virtually nil, but at the higher pressure you will not stop as fast and could lose control of the bike due to it sliding easier and could also skip on you especially on corners and harsh roads. Plus as an added bonus the lower pressure will take some of the edge off the road! It is a trial and error type of procedure and there is no real way to gauge the effect on the tire unlike a car tire. I use a depth gauge on my tires and watch how they wear when I buy new ones. Too much air and the tread will wear down the center not enough and the edges will wear more (I use a gauge all the time to keep eye on alignment as well); but this does not work on bikes-obviously. But by trying to stop hard with the rear brake and finding out if it locks up too quickly or skips on corners or bangs too much on harsh roads than take the air pressure down 5 pounds and retest. If while riding on the bike and you look down and notice a bulge in the sidewall that seems like the sidewall may come in contact with the road than you don't have enough air.