Quarq TyreWiz 2.0 Valve Pack K (73.0-80.2mm) Kit

+/-2% accuracy at a resolution of .1 PSI Waterproof and dust proof (IPX7) Personalized tire pressure recommendations in the AXS smartphone app for iOS and Android Inexpensive and widely available CR1632 battery lasts up to 300 hours Lightweight at 10 grams Adaptable to multiple rim and rim depths using different length valve stems and square or round rubber grommet seals ANT+ and Bluetooth compatible for live tire-pressure display while riding with most head units 2-year warranty Valve stems sold seperately from sensor