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Designed for fat and semi-fat tire bikes, the Specialized Air Tool Big Bore Pump packs a ton of volume per stroke, making it easy to use in cold or tough conditions when you need air quick.
Coarse Machined Aluminum Barrel for Extra Grip
Volume-Per-Stroke – 90cc
Flexible Hose Attachment Allows for Aggressive Pumping without Fear of Damaging Valve Stems
Oversized Press-On Schrader and Presta Head – This head won't accidentally remove valve cores and can be easily used with thick gloves
Designed for Fat and Semi Fat Tire Bikes