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  • Topeak SmartGauge D2 Pressure Gauge
  • Topeak SmartGauge D2 Pressure Gauge Detail
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TopeakSmartGauge D2 Pressure Gauge
Sale 20% Off$27.99 $34.95

Item # TOP001F

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Item # TOP001F

SmartGauge D2 Pressure Gauge

It doesn’t matter how many years are under your belt; squeezing a tire is no way to determine proper inflation pressure. Topeak's SmartGauge D2, however, is the proper solution to quantifying your pressures.

The gauge features Topeak's rotating SmartHead, meaning it'll work seamlessly with both Presta and Schrader valves without changing parts. The digital gauge reads up to 250 psi, so it can be used with suspension components as well as tires. Topeak's SmartGuage D2 can also be programmed to show pressure in psi, Bar, or kg/cm2.

  • Topeak's gauge for providing accurate tire pressure
  • Compact enough to toss in your pocket to keep tires primed
  • LCD display can be programmed to show PSI, Bar, or KG/cm2
  • Compatible with both Presta and Schrader valves
  • Reads up to 250-PSI or 17-Bar
Tech SpecsWeight
Tech Specs
Valve Type
Presta and Schrader
Max Pressure
250 PSI
yes, Air Release Button
Recommended Use

Claimed Weight

Claimed weights are provided by the vendor.

Have questions? Chat with a Gearhead

65 g

Reviews & Community


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  • Familiarity: I've put it through the wringer

works fine, might as well get the blackburn one with a lifetime warranty.


  • Familiarity: I've put it through the wringer

Tested this against some other gauges before starting to use it as my only gauge, and its very accurate and easy to use.

Love it!!!

  • Familiarity: I've used it several times

Best pressure gauge out there. I use it for my bikes, dirt bikes and my car. I highly recommended.


    This little thing is great and very accurate. I use it for my bikes and my vehicle, and It's been very handy!

    Works Well

    • Familiarity: I've used it several times

    This gauge works relatively well. I keep it in my tool kit in the back of my truck to check pressure pre-ride. Adds confidence to your pressure choices.

    Works as advertised

    • Familiarity: I've put it through the wringer

    It works. It shows you the PSI in your bike tires. It seems to be consistent with the PSI. There you go.

    Best One I've Used and Abused

    • Familiarity: I've put it through the wringer

    Dead easy to use, accurate in typical road, mtb, 'cross pressure ranges. Good battery life, easy to read, works equally well on presta or schrader. I've got one I've been using for 5 years, battery typically goes at least a year and I check pressure almost daily. I had a second one I kept in my ride kit in my jersey that I dropped and broke the yellow selector tab on but that was a freak accident, replaced it with a new one straight away. Best one I've seen or used, highly recommended.

    Easy to Use

    • Familiarity: I've put it through the wringer

    Great little gauge for regularly checking air pressure. Works with different valve types and makes adjusting pressure easy.

    What is the accuracy of this gauge and what is the lower limit of pressures it will read with accuracy? Looking for something that will work on fat bike tires down to 4psi. thanks

    It's quite accurate but for fat bike tires you are going to need a gauge designed for those pressures. It will read in the 4 psi range but I have my doubts about accuracy at that level.

    Will this work with unthreaded CO2 cartridges? The kind you can buy in bulk for cheap.

    Sorry, but I don't understand the question? Do you want to check the pressure on the CO₂ cartridge?

    Easy to use

    • Familiarity: I've used it several times

    Works better than several alternatives I tried (they all released a ton of air from schrader valves while trying to get a good fit). The instructions were not helpful but there are only so many buttons so it only took a couple of tries to get it down. One thing the instructions dont explain is the

    Does what it is supposed to

    • Familiarity: I've used it once or twice and have initial impressions

    Very easy to change between valve types and units of pressure to suit personal needs.Fits in the hand nicely. Head will swivel to allow access to different valve angles so you can see the readout but this feature presents some instability and will sometimes allow the head to flip off the valve. Recommended.

    gauge is great and accurate.

    • Familiarity: I've put it through the wringer

    A great gizmo for any rider who travels. A great way to keep track of tire pressures. If you race, you need this. It it superior to its competition and can be used for a wide range of pressures.

    Works great after initial problems

    • Familiarity: I've used it several times

    This is an expensive gauge so I was expecting a lot. At first, I was disappointed. I was getting poor engagement with the valve, sporadic readings or no reading at all and losing lots of air from my MTB tires. I was about to return it but reread the instructions first -- "If it's difficult to engage the tire valve, slide the Presta/Schrader selector button back from side to side a few times to reset the function. 'Re-engage' the tire valve after gauge is reset." Presto! Problem solved. The gauge has worked great ever since and I can get exactly the pressure I want, very important for my MTB as I ride as low a pressure as I think I can get away with.

    neat gauge

    • Familiarity: I've put it through the wringer

    I got this because I wanted to get a good feel for how low i could consistently run my tire pressures. It's great. I think accuracy is probably pretty decent but more important is the consistency of result (which you can cross check with the old finger squeeze). My bike has presta valves and i found it better to adjust the gauge so that the inner part is slightly depressed relative to the default position - you can do this by switching to schrader mode, holding in the valve part with a pen or something and then switching back to presta. Sounds complicated but it isn't in reality, you'll get it when you see it. I check my pressures before every ride, running around 20 psi on a 29er (weight 150 lbs) - nice cush!

    Excellent item

    • Familiarity: I've used it several times

    A great item to check your tire pressure on the go to help dial it in. It is very easy to use and is versatile with compatibility of both a schrader valve or presta valve.