SwitchHitter head works on Schrader or Presta valves with no disassembly.
> Gauge body rotates for easy viewing.
> Durable plastic barrel with aluminum shaft to reduce flex and improve efficiency.
> Plunger locks to body chamber with a simple twist for secure storage.
> Water bottle boss mount included.
> Max pressure: 120 PSI (8.3bar)
> Volume-per-stroke: 48cc