Topeak Joe Blow Mountain EX Floor Pump Pump Up the Jam Get trail-ready fast with the Joe Blow Mountain EX. Built for riders who demand fast and efficient tire inflation, this pump moves 683cc of air per stroke, nearly 50% faster than standard floor pumps, making it perfect for high-volume MTB and fat bike tires. A large, easy-to-read 3. 5" gauge and Smart Head design keep things simple, whatever valve type you're running. Features Super-sized steel barrelmoves 683cc of air per stroke for nearly 50% faster inflation than standard pumps Smart Head(R) designautomatically adjusts to fit either Presta or Schrader valves Large 3. 5" base-mounted analog gaugefor clear, accurate pressure readings up to 60 PSIExtra-long hoseoffers versatile reach and convenient positioning Durable steel barrel with a stable polymer basefor long-lasting performance SPECIFICATIONSBarrel Volume683cc per stroke Max Pressure60 PSIGauge3. 5" analog, base-mounted Valve Head Smart Head(R) (Presta/Schrader, auto-adjust)Material Steel barrel, plastic base | Topeak | Joeblow Mountain Ex Floor Pump Black