Feature: 1. Premium Mount Stand: Adopt a quality PC ensures long lasting durability, and this water bottle cage adapter mount won t add a burden to your ride, letting you travel easily. 2. Versatile Design: Our water bottle extension bracket can be installed with two water bottle holders at the same time, providing you with sufficient hydration for extra long rides. 3. Easy Installation: Simplistic design makes for fast installation. Fix the adapter under the back seat with the desired angle, then tighten the screws, and the installation is done. 4. Wonderful Bike Accessory: Suitable for most water bottle cages. Designed for riding enthusiasts, easier for you to reach your water bottle and refill it during your ride. 5. Wide Compatibility: Fits most road and mountain bikes and offers a secure and stable hold for your water bottles during your rides, making excellent use of pillion space. Specification: One mount stand with multiple uses, excellent for holding two water bottles on your bike saddle or seat post, so you can carry plenty of water even for riding. The bike water bottle bracket adapter is lightweight and does not add any burden to your ride. Suitable for most bike types, easy and convenient to install. It only needs to be fixed to the seat with screws, and the installation is easy and convenient. Item Type: Bike Water Bottle Holder Conversion Bracket for Mountain Road Bike Structure: PC Color: Black Item Size: 12x8.5x6cm 4.72x3.35x2.36in Item Weight: 106g 3.74oz Package Size: 14x10x7cm 5.51x3.94x2.76in Gross Weight: 150g 5.29oz. Package List: 1 x Extension Bracket2 x Sticky Straps4 x Screws Note: