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The Crank Brothers Gem Hand Pump is tiny and lightweight, but it packs a wallop. The Gem will take your tire all the way to 130psi when you need it, and it will take it there in a hurry. The best part about the Gem pump, however, is that, at 128 grams, it feels like it's not even there until we need it.
Dimensions[short] 176mm, [long] 205mm
Valve TypeSchrader, Presta
Claimed Weight[short] 4.5oz (128g), [long] 5.5oz (155g)