Specialized Air Tool Big Bore Bike Pump

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Designed for Fat and Semi Fat tire bikes, the Big Bore packs massive volume per stroke and a unique head that still works with winter gloves on Oversized press-on Schrader and Pres ta 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 barrel design allows for high volume in a compact size. Coarse machined aluminum barrel for extra grip. Water bottle boss mount with elastomer band included. Max pressure: 50psi (3.5bar) Volume per stroke: 90cc Show more