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Quarq TyreWiz Air Pressure Sensor for Presta Valve
Quarq TyreWiz Air Pressure Sensor for Presta Valve

TyreWiz Air Pressure Sensor for Presta Valve

Mfg PartNum:00.3018.205.000
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You're a wizard.

Lightweight, durable, and powered by a long-lasting user-replaceable coin cell battery, Quarq's TyreWiz monitors air pressure in real-time and relays the data to a cycling computer or a smartphone. The TyreWiz app uses that data to deliver personalized recommendations and pressure alerts. For the first time, riders have access to highly accurate real-time tire pressure data to make decisions that can affect rolling resistance, traction, tire wear, and rider comfort.


  • Designed for road, mountain and gravel.
  • Personalized tire pressure recommendations in the smartphone app for iOS and Android.
  • NFC pairing for fast and easy connection by BLE to a phone.
  • Data reported with +/- 2% accuracy at .1 PSI resolution.
  • Broadly compatible with tires that use a removable Presta-style valve core.
  • Inexpensive, user-replaceable CR1632 battery lasts for 300 hours.
  • IPX7 dustproof/waterproof rating.
  • Works with both tube and tubeless, and tires with anti-flat sealant.

B-Stock - This product has one or more B-Stock units available. These units can be purchased at a discount (see option select). B-Stock units were returned from other customers and may have missing or damaged packaging materials. These units are otherwise as new. The full manufacturer warranty applies. Click Here for more information.

Ordered by Most Relevant First
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1 stars
Wish they were cheaper. Convenient and provide peace of mind
by Alan
Cycling Enthusiast
1 of 1 customers found this review helpful.

I bought these for a road tandem after having a flat tire just before a long fast descent and hearing of another tandem that crashed with serious injuries when they made a turn on a soft front tire. Being able to detect a flat early seems like a good idea.

These were easy to set up and pair with both my phone and Garmin. After setting the max and min pressure for each unit I can quickly spin the wheel before a ride to check if the tire is still above my minimum... green light is go, red light means get the pump out. They occasionally lose connection to the Garmin for a few seconds but have always come back.

The data field for the Garmin turns into inverse text (black background) when the pressure is out of range, so if a tire is losing air during a ride it will be easy to see on the screen. Having these has shown me that the tire pressure goes up several PSI when riding and that I really don't lose any pressure when removing the pump from the valve..

If they could get these things down to $50 a pair I'd have them on all my bikes. At $200 I can't see adding them to all the bikes in my rather large collection.

Reviewed 10/27/2020
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