Crank Brothers Gem Bike Hand Pump Color:Black Midnight Edition Lasting durability

Lasting durability

Through our proprietary ChromaPop™ lens technology

come heck or high water

DK Dry™ waterproof and breathable (100% polyurethane)

Easily handle the pressurization

Crank Brothers Gem Bike Hand Pump Color:Black Midnight Edition Lasting durabilityThe compact, lightweight dual stage hand pump, featuring patented high volume high pressure switch technology. F Gem pumps feature a hybrid alloy composite construction for low weight and high strength Our lightweight Gem pumps also feature a convertible head for Presta or Schrader valves, and a patented high volume high pressure air switch: use the high volume mode under 40 psi for quick inflation, then rotate the switch to the high pressure mode for