Optimized for big tires, the Air Tool Big Bore Pump packs massive volume-per-stroke. It's press-on head works great with winter gloves to make it perfect for winter fat bike riding. Best of all, it fits inside any of our carbon frames with SWAT doors on the downtube. Now that's optimized.
Coarse machined aluminum barrel for extra grip.
Flexible hose attachment allows for aggressive pumping without fear of damaging valve stems.
Inverted barrel design allows for high volume in a compact size.
Max pressure: 50 PSI (3.5bar)
Oversized press-on Schrader and Presta head won't accidentally remove valve cores and can be easily used with thick gloves.
Water bottle boss mount with elastomer band included.