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: 120psi (8.3bar)
Volume per stroke: 48.4cc