Bottle Cage Adapter Aluminum Bicycle Adjustable Mounting Base Position Cage Bracket Bicycle Positioning Bracket Descriptions: The bottle cage adapter attaches more securely. Even on bumpy roads or tight turns, the bottle will not fall off. Equipped with bolts of different sizes, M5-0.8*8mm bracket fixing bolts, M5-0.8*12mm bracket fixing bolts, M5-0.8*6mm bracket fixing bolts. Specifications: Product name: Bike Bottle Cage Material: Aluminum alloy Size: 13.2*1.8cm/5.20x0.71in Weight: about 36.5g Product List: Bike Bottle Cage*1 Installation tools *1 Screw *6 See more product details 1.Safe Material: Bike bottle mount adapter is made of aluminum alloy. It has a slippy cover without incisive edges. And it is wear-resistant, reliable, hard, and not easy to break. 2.Solidly Installed: The bottle cage adapter fits the frame and can be more firmly attached to avoid bumps and skids while driving, even on bumpy roads or tight turns. 3.Easy to Carry: Bike water bottle mount is convenient to carry in your outdoor bag and is available anywhere, anytime which is effortless and will occupy less space. 4.Convenient to Install: Bike water bottle mount doesn't take a lot of time to install and disassemble. You can easily select an installation position as required. 5.Wide Scene: Bottle cage mounting base is suitable for most bikes, for example, fixed gear bikes, mountain bikes, scooters, downhill bikes, track bikes, road bikes, and so on.