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Seltzer CO2 and Water Bottle Cage Holder

Lightweight and convenient, this all-in-one accesory holder lets you carry a water bottle and two backup CO2 cartridges under your saddle. It’s perfect when you're trying to load up for a long tour or if you just want to free up some space inside the triangle.

  • Available in 27.2mm and 31.6mm seatpost clamp diameter
  • Holds up to 2 25g CO2 cartridges
  • Made to hold standard water bottle cages
  • CO2 holder can be separated and mounted to any standard bottle cage mount
  • Extruded then CNC-machined AL-6061
  • Bolts included (M5 x 16mm button cap screws)
  • Bottle cage is not included