Features: Mini hand pump ideal for both fat and narrow tires Oversized barrel is designed to push more air into the tire per stroke, requiring less energy exertion Includes an easy-to-install mount that fits under your water bottle cage Durable aluminum construction 2Stage high-volume/ high-pressure switch provides high volume for big tires and high pressure for skinnies AnyValve(TM) works great on Presta, Schrader, and Dunlop valves 120 PSI max Weight: 200g