The Crankbrothers Klic Hand Pump HP Gauge with CO2 Midnight Edition is a top-tier portable pump for high-pressure tires. It features a hidden hose, pressure gauge, and a concealed CO2 inflator for quick and efficient inflation. The design includes a folding and locking handle for easy storage and transport. It also comes with a presta/schrader valve adapter for versatility. Weighing just 170g and backed by a 5-year warranty, this pump is a reliable and lightweight choice for all your inflation needs.