Quarq TyreWiz Air Pressure Sensor Black, Presta Valve

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TyreWiz monitors air pressure in real-time and relays the data to a cycling computer or a smartphone Works with any tire that uses a removable Presta valve core: both tube and tube less, and tires with anti-flat sealant Data can be read on a cycling computer or smartphone with the app for iOS and Android Smartphone app displays personalized recommendations, current tire pressure, and low/high pressure alerts LED lights to indicate when pressure is outside the target range NFC pairing for fast and easy connection by BLE to a phone Data reported with +/- 2% accuracy at .1 PSI resolution Inexpensive, user-replaceable CR1632 battery lasts for 300 hours IP67 dustproof/waterproof rating Includes two sensors, batteries, and a valve core removal tool Show more