Topeak Tri-Cage Carbon Bike Bottle CageThe Topeak Tri-Cage Carbon Bottle Cage is designed for saddle mounting a water bottle. It is constructed from carbon fibre, reinforced engineering-grade polymer, which ensures strength, weight and as it features an ’easy-access’ forward release design, it helps prevent accidental drops when reaching for your water bottle. It features an integrated mount for the Topeak Ninja T Road tool, Ninja CO2 inflator or the Ninja Pouch Road spare tube carrier; this bottle cage makes carrying additional essentials easier. Features: Material: Carbon Fibre, Reinforced Engineering-grade Plastic Recommended Bottle Outer Diameter: 72-74mm Dimensions: 15 x 8.2 x 7.8cm Mount: Topeak Tri-BackUp hydration mounts or other rear hydration mounting systems Compatibility: Ninja TC Road, Ninja CO2 Ninja Pouch Road Weight: 45gBuy Topeak Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.