Adjustable Bicycle Water Bottle Holder MTB Bike Adapter Double Bottle Cage Adapter Mount Handlebar Rack Mount _x000D_ Features: _x000D_ Double Bottle DesignThis dual kettle bike rack convertor is universally adjustable for all bikes and electric scooters. Compared to other water bottle holders, this one can hold two water bottles, which is very convenient. (NOTE: Fits 22.2mm or 25.4mm seat post or 31.8mm handlebars. Please confirm your bike size carefully before purchase.) _x000D_ Premium Aluminum Alloy Made of premium aluminum alloy, it is high-strength and durable, corrosion-resistant this double bottle cage adapter can support two water bottles. _x000D_ Adjustable & Flexible The great bike kit does not have a bottle holder mounting hole. It can be rotated 360 degrees for simple installation & removal. _x000D_ Large & Compact Design Multi-function water bottle holder conversion seat, which can be installed w/ two bottle cages and tire inflation cylinders, which is very convenient and durable. _x000D_ Simple to InstallCome w/ adapter pads and screws to fit your bike, which will help you to install the adapter easier and make it stable and heavy duty. _x000D_ _x000D_ Specifications: _x000D_ Material: aluminum alloy _x000D_ Size: 8x8x5cm _x000D_ _x000D_ Note: _x000D_ Please allow 0-1cm error due to manual measurement. Make sure you do not mind before you bid. _x000D_ Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! _x000D_ _x000D_ Package Includes: _x000D_ 1 Pcs Bike Water Bottle Holder Adapter. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_