PDW Fatty Object Fat Bike Tire Inflator


Portland Design Works is a rider owned company and it shows in the smart and useful gear they bring to market. The PDW Fatty Object tire inflator is no exception. This handy little tool lets you quickly fill up your fat bike or plus tire on the trail using a CO2 cartridge instead of 600 pumps using a small frame mounted bike pump. Super smart idea and a must have for any fat bike of plus bike rider.

From PDW 

The Fatty Object™ is the first CO2 inflator on the market designed specifically to inflate fat and plus-sized tires.  Made of indestructible alloy, the Fatty Object fits on both Presta and Schrader valves and its oversized control knob is easy to operate, even with gloves on.

The Fatty Object comes with a 38g threaded CO2 cartridge a lightweight foam insulator sleeve that will fill a 26x4.8 tire to 6-7psi or a 29x3.0 tire to 20-22psi. 

Please note that we are unable to ship CO2 cartridges to Hawaii or any international country.


  • Precision machined body
  • Fits Presta and Schrader values
  • Includes 1 38g threaded CO2 cartridge which fills a 26x4.8 tire to 6-7psi or a 29x3.0 tire to 20-22psi
  • Inflator only height: 44 mm (1.75")
  • Inflator only weight: 40 g (1.3 oz) 
  • Foam insulator sleeve length: 77 mm (3")
  • Weight of inflator with cartridge: 80 g (6.9 oz)
  • Lifetime PDWarranty
  • Additional CO2 cartridges available here



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