This durable frame pump with SwitchHitter head automatically adjusts for Schrader or Presta valve tubes.

• SwitchHitter head works on Schrader or Presta valves with no disassembly.
• 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: 48.4cc