Crank Brothers Gem Hand PumpThis Crank Brothers' Gem S pump is constructed using a hybrid alloy composite construction for low weight and high strength. It features a convertible head for Presta and 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 easier pumping up to 100 psi. The Gem S includes a bottle cage bracket mount for convenient on bike

Piston: For 2-piston brake caliper

Closure or Slip-on: An adjustable hook and loop closure ensures a proper fit

Machined aluminium inflator with adjustable valve

8mm diameter handlebar

It’s a perfect ‘all over’

• ThumbLock handle to lock the pump on your valve

while remaining kind to the rest of your bike and the environment

Includes bolts

and a grey finish on the inner plates increase corrosion resistance

- Main cylinder with smooth and robust design

MAX RUNTIME: 20 hours

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