ZTTO Bike Bottle Cage Mounting Base Bicycle Seat Post Cup Mount Converter Aluminum Alloy Bottle Holder Adapter for MTB Mountain Bike Road Bike Folding Bike

Features:
Made of high-quality aluminum alloy, it is strong, durable, corrosion-resistant and not easy to rust.
90 degree rotatable design, the bracket can be installed on the bicycle seat pole horizontally or vertically according to your needs.
The mount base is easy to install and can clamp the bottle cage firmly. Convenient to store water cups when riding. The bottle cage hole distance is 65mm
With anti-slip strip, it can effectively prevent the base from sliding, and the installation is more stable.
It is compatible with almost all bicycles and is suitable for poles with a diameter of 33.9mm.