Specialized Air Tool Big Bore Pump bike regardless of frame or wheel

regardless of frame or wheel size

gear and parts

Oversized press-on Schrader and Presta head won't accidentally remove valve cores and can be easily used with thick gloves

Wherever you're heading

effortless braking

Specialized Air Tool Big Bore Pump bike regardless of frame or wheelDesigned for Fat and Semi Fat tyre bikes, the Specialized Air Tool Big Bore Pump packs massive volume per stroke, and it features a head that still works with winter gloves on to make it perfect for backcountry winter fat biking. Oversized press on Schrader and Presta head won't accidentally remove valve cores and can be easily used with thick gloves. Flexible hose attachment allows for aggressive pumping without fear of damaging valve stems. Inverted