Bell's® Zephyr(tm) frame pumps provide a quick, easy solution for inflating your tires or fixing a flat on the road or trail. Their small size and light weight make them easy to mount to your bike frame, or simply carry in your backpack or hydration pack. The Zephyr 100 features a pivoting T-handle for sure grip. The reversible pump head works with both Presta and Schrader valves, and the included mounting bracket allows you to store the pump conveniently on your bike frame. The Zephyr 100 inflates bike tires up to 120 PSI with a barrel volume of 60 cm3