Topeak Bottle holder Tri-Cage

Designed specifically for mounting on the seatpost, Tri-Cage is made from a high quality engineering polymer and the forward release design makes it easy to access the canister while preventing accidental drops. An integrated bottom bracket for the Ninja T Road toolbox, Ninja CO2 inflator or Ninja Pouch Road spare tube holder makes it easy to carry the essentials while the included tyre levers complete the package. The Tri-Cage can hold bottles up to 750cc. Recommended bottle diameter 72mm - 74mm Seatpost mount