TOPEAK AIRBOOSTER G2 CO2 INFLATORA CO2 INFLATOR WITH A TIRE GAUGEIn the past, you used to have to inflate your tire with your CO2 pump and guess what your tire pressure was at. Today, you can finally see how much pressure is in your tires with the Topeak Air Booster G2 CO2 Inflator. It is the world's first CO2 inflator with a tire gauge that provides tire inflation and tire pressure measurements. It features an angled head that fits Presta and Schrader valves. Features Adjust the flow while filling the tire Dual end design allows for cartridge storage Angled head fits Presta and Schrader valves Specifications Connection Presta and Schrader Max Pressure160 PSI / 11 Bar Handle Material Engineering Grade Polymer Barrel Material-Length6. 5 x 5. 2 x 3. 3 cm Gauge Yes Intended Use Mountain Bike, Road Bike Weight45g | Topeak | Airbooster G2 Co2 Inflator | Black | Does Not Include Co2