Designed for Fat and Semi Fat tire bikes the 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.
"The Air Tool Flex Pump uses an inverted camber design that allows for quick fill-up on mountain tires yet it can still reach the high-pressures needed for road tires. Specialized Air Tool Flex Pump in Black"
"This durable frame pump with SwitchHitter head automatically adjusts for Schrader or Presta valve tubes. Specialized Air Tool Switch Sport Pump in Black"
"This durable frame pump with SwitchHitter head automatically adjusts for Schrader or Presta valve tubes plus it shows pressure on a rotatable gauge. Specialized Air Tool Switch Comp Pump in Black"