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  • Topeak - SmartGauge D2 Pressure Gauge -

Topeak SmartGauge D2 Pressure Gauge

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14 Reviews


Don’t guess.

Don’t bother squeezing your freshly inflated tire—that won’t tell you much. The Topeak SmartGauge gets it right with digital precision every time. It works with Presta or Schrader valves without having to switch out any parts, and it measures up to 250 pounds, so it will work with mountain tires, road tires, and even suspension components.

  • Digital precision
  • Schrader- or Presta-compatible
  • Up to 250 PSI
  • Item #TOP001F

Tech Specs

Valve Type
Presta and Schrader
Max Pressure
250 PSI
yes, Air Release Button
Claimed Weight
65 g
Recommended Use

Tech Specs

  • Reviews
  • Q & A

What do you think about this product?

Have questions about this product?

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 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.

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