The Topeak Airbooster CO2 Inflator w/ Gauge is a revolutionary tool that combines tire inflation and pressure measurement in one compact device. Designed to fit both Presta and Schrader valves, it features an adjustable flow control for precise inflation. The built-in analog gauge reads up to 160 psi, ensuring accurate pressure monitoring. Its dual-end design allows for convenient storage of a CO2 cartridge, making it an essential accessory for cyclists. Weighing only 45 grams, this lightweight inflator is crafted from durable engineering grade polymer, making it both portable and reliable for all your biking needs.