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PostPosted: Wed Aug 24, 2011 3:56 am 
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Joined: Mon Jul 31, 2006 6:49 pm
Posts: 429
Can some one please advice me on a good floor pump that has a pretty accurate psi gauge.
My specialized is on its way out=(

thank you


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PostPosted: Wed Aug 24, 2011 4:01 am 
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Joined: Tue Mar 08, 2005 10:01 pm
Posts: 662
Location: New Hampshire
My Lezyne Alloy Floor Drive is always within 1-2 PSI of my SKS digital gauge, at both road and mountain bike pressures, and I've had it almost two years. Pretty darn accurate in my book.


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Posted: Wed Aug 24, 2011 4:01 am 


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PostPosted: Wed Aug 24, 2011 4:11 am 
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Joined: Sat Jun 13, 2009 4:02 am
Posts: 1969
Location: NoVA/DC
technically, no pump really measures the tire's pressure unless something in the head is actively holding the valve pin down. (like a screw-on schrader valve head).
if you want a really accurate gauge, try one of the ones used for auto racing. available in different ranges, even just 0-15psi

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PostPosted: Wed Aug 24, 2011 12:25 pm 
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Joined: Thu Jan 25, 2007 3:56 pm
Posts: 775
allezkmiec wrote:
My Lezyne Alloy Floor Drive is always within 1-2 PSI of my SKS digital gauge, at both road and mountain bike pressures, and I've had it almost two years. Pretty darn accurate in my book.


I have one as well, its the best pump I've had, I like the screw on head very useful and precise.


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PostPosted: Wed Aug 24, 2011 1:16 pm 
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Joined: Mon Jul 31, 2006 6:49 pm
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thanks guys, Lezyne it is!


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PostPosted: Wed Aug 24, 2011 3:42 pm 
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Joined: Wed Mar 28, 2007 12:49 pm
Posts: 1581
Location: Near Horgen, Switzerland
Topeak also make a digital pressure gauge. Good Xmas present.


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PostPosted: Wed Aug 24, 2011 3:54 pm 
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Joined: Sat Aug 29, 2009 4:30 pm
Posts: 1530
I'm a mechanical engineer, and I work for a company that has an agressive QC system and regular certified calibration of all measuring instruments. So, naturally, I was also skeptical of the accuracy of cheap pressure gages for both my car and bike.
Since pressure gages are cheap, I bought about 6 of them, and I also have two pumps with built-in gages (Silca and Joe Blow)

I then pumped up a tire (repeatedly) and immediately compared all the gages to each other. The surprising result was that, to within my ability to read the gages, all of them read exactly the same.

I know this isn't proof that all of them are accurate. But it satisfied me that most, even very cheap gages, are actually pretty accurate. Certainly accurate enough for me to use on bicycle tires. So if you just compare a couple gages and they are the same, you are probably OK. Of course you could also send your gages out to a local test certification laboratory. They are in nearly any reasonable-sized city.


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PostPosted: Wed Aug 24, 2011 9:10 pm 
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Joined: Tue Feb 19, 2008 5:17 am
Posts: 584
Location: NZ
I like the new Topeak digital SmartGauge D2 because it allows you to read the pressure in real time as you let air out with the release button on the gauge. So slightly over inflate your tyre with your floor pump, measure the pressure with the Topeak gauge, press the adjust button while keeping the gauge on the valve, and then gradually release pressure.

Very easy to get within 1 psi of your target. Not sure if the gauge is as accurate as that, but seems to be consistent which is what counts for me - once I find the road feel I like, I can replicate it using the same observed pressure reading.

Cheers

GJ


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PostPosted: Thu Aug 25, 2011 12:38 am 
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Joined: Sat Jun 13, 2009 4:02 am
Posts: 1969
Location: NoVA/DC
i didnt realize this was in the ROAD section, my bad.
some crossers and mtbers look for pressure changes of 1/2psi...

i like the topeak gauge too, but find it's too easy to release a good amount of air when putting it on the valve. i like the sks airchecker better for that reason. also, you dont have to switch anything when going from presta to schrader, and most importantly, it's lighter!


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PostPosted: Tue Mar 27, 2012 10:07 am 
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Joined: Sun Mar 11, 2012 1:40 am
Posts: 254
allezkmiec wrote:
My Lezyne Alloy Floor Drive is always within 1-2 PSI of my SKS digital gauge, at both road and mountain bike pressures, and I've had it almost two years. Pretty darn accurate in my book.


I have just got the Lezyne alloy floor pump and I'm quite struggling with screwing the Presta head into the valve. I have a valve extender on my aero wheels and I find it difficult to screw in the Presta head, it basically turn the extender instead of just screw on top of it down. Also when I tried to screw it out, it turned the extender out of the tyre valve.
Any recommendation how you use it? I guess I'm doing something wrong..?


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PostPosted: Tue Mar 27, 2012 11:19 am 
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Joined: Tue Jul 14, 2009 11:59 am
Posts: 108
Location: Australia
Silca used to be good but quality not there now. Lezyne alloy floor drive is good. Just make sure you tighten the remove able valve cores a bit to avoid undoing one in error.

Sent from my A500 using Tapatalk

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PostPosted: Tue Mar 27, 2012 12:11 pm 
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Joined: Sat May 12, 2007 3:40 am
Posts: 417
Location: Triange, NC
fabiancanchelara wrote:
allezkmiec wrote:
My Lezyne Alloy Floor Drive is always within 1-2 PSI of my SKS digital gauge, at both road and mountain bike pressures, and I've had it almost two years. Pretty darn accurate in my book.


I have just got the Lezyne alloy floor pump and I'm quite struggling with screwing the Presta head into the valve. I have a valve extender on my aero wheels and I find it difficult to screw in the Presta head, it basically turn the extender instead of just screw on top of it down. Also when I tried to screw it out, it turned the extender out of the tyre valve.
Any recommendation how you use it? I guess I'm doing something wrong..?


I don't know what people like about the Lenzyn, as there is nothing easy about using it. If you use a pump a lot like I do, then you'll likely want something quick, reliable and accurate. There are several good pumps on the market (SKS Airbase, Nashbar makes a good one, etc).

Having said that, I've heard remarks lately that Lenzyn is putting a quick release head on their pumps now and if you just purchased one, they will refit the head. You might want to contact them about this.


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PostPosted: Tue Mar 27, 2012 12:38 pm 
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Joined: Thu Nov 17, 2011 4:29 pm
Posts: 138
For the UK guys I'd recomend Halfords own track pump.

metal
Gauge at top so you can see it
Head fits schraderand Presta with no swapping
Reliable
£28
Work well enough to even pump the monster tyres on my Landrover up 265/75-16's so huge
Pump to 150 easily, 110 one handed

I run a small bike workshop so pump a LOT of tyres, I have 2 of these in the workshop and 1 in the van and they are dependable (7 years old the oldest at moment) and work better than any pump I've ever owned. Guages are spot on. Lovely not having to worry about the valve type

They even hold on stupid valve extenders!!!!

http://www.halfords.com/webapp/wcs/stor ... yId_165661

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PostPosted: Tue Mar 27, 2012 2:54 pm 
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Joined: Tue Dec 23, 2008 2:57 pm
Posts: 670
Location: NYC
I've had a Silca Pista for over 25 years...after very heavy use during that time the gauge is till perfectly accurate and I have only had to change the leather and grommets every 7-8 years. Best tool investment ever!
EM3

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PostPosted: Tue Mar 27, 2012 3:09 pm 
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Joined: Fri Oct 29, 2010 11:30 pm
Posts: 80
The OP has probably already found a pump, but my Giant Control Tower Pro is the best pump I've ever used. Accurate guage, tons of pressure per pump and better than any Joe Blow, Specialized, Blackburn, Lezyne or Silca I've ever used. I inflate my car tires with mine with no problem.


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Posted: Tue Mar 27, 2012 3:09 pm 


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