Crank Brothers Gem Pump

Stuff the Crankbrothers Gem Hand Pump in your pack and you'll be the envy of flat tire enthusiasts everywhere. This high-volume dual piston pump can get you all the way to 130 PSI if you need it to, and it does it in a hurry. It also does it in stylish anodized color, or in ...Stuff the Crankbrothers Gem Hand Pump in your pack and you'll be the envy of flat tire enthusiasts everywhere.

This high-volume dual piston pump can get you all the way to 130 PSI if you need it to, and it does it in a hurry. It also does it in stylish anodized color, or in classic silver, if that's your thing. A reversible head adapts to your valve stem whether it's Shrader or Presta.

The best part? The short version weighs just 128 grams, so you won't even know it's there until you need it.