Profile Design Aqua Rack ii Dual Bike Water Bottle Cage with Co2 Cartridge mount: Seatpost mounted, Matte Black

Rear mounted hydration system holds two bottles and attaches directly in front of seatpost for easy hydration on the go.

• Fits 31.6mm to 27.2mm seatpost with shims (included)
• 6061-T6 aluminum construction
• Includes two cages and 6061-T6 Aluminum clamp and extension
• Brackets included to mount two Co2 cartridges
• Full angular adjustment allows bottles to be rotated