Bell AirBlaster 850 Dual Stage Frame Pump w Gauge Smart Valve 7116532 bicycle bike air pump Their small size and light weight make them easy to mount to your bike frame, or simply carry in your backpack or hydration pack. This model has a large, easy-read gauge for accurate inflation and a pivoting T-handle for sure grip. The Smart Valve works with both Presto and Schrader valves without an adaptor, just simply press on and pump. The included mounting bracket allows you to conveniently store the pump on your bike frame. • The AirBlaster™ 850 inflates bike tires up to 120 PSI. • Bell's® Air Blaster™ 850 frame pump provide a quick, easy solution for inflating your tires or fixing a flat on the road or trail. • 2-step barrel technology that allows you to adjust between high-volume and high pressure settings.