Crankbrothers Gem Hand Pump on white background

Crankbrothers Gem Hand Pump

Sale price$25

The Gem Hand Pump is compact, lightweight dual-stage featuring patented high-volume/high-pressure switch technology (use the high volume mode under 40 psi for quick inflation, then rotate the switch to the high pressure mode for easier pumping up to 100 psi).

  • Features a hybrid alloy/composite construction for low weight and high strength
  • Lightweight
  • Convertible head for Presta or Schrader valves
  • Patented high volume/high pressure air switch
  • Bottle cage bracket mount included for convenient on-bike storage