ITEM NAME:Bicycle Water Bottle Cage Adapter Universal Bike Cycling Frame Handlebar Tube Description: Super toughness engineering plastics, lightweight and durable. Bottle cage can be installed anywhere you want such as handlebar or seat post. For bicycles without the water bottle brace-on. Universal design, perfect fit for all standard bike water bottle cage. Suitable for most bicycle road and mountain bikes. Fits rod diameter: approx. 2cm to 4.8cm/ 0.8inch to 1.9inch (Adjustable) Distance between the two mount holes: approx. 6cm/ 2.5inch. Specification: Material: Plastic Size: approx. 9.5 x 6cm/3.7 x 2.4 inch Package Includes: 1 Piece Water Bottle Cage Handlebar/Seatpost Mount Note: Please allow 1-3cm error due to manual measurement..Universal design, perfect fit for all standard bike water bottle cage. For bicycles without the water bottle brace-on. SKU: DMO0021700865004174.