Description: Behind the saddle bottle holder lets you carry two bottles. Highly adjustable and easy to install. Works with all standard saddle rails. Allows you to attach water bottle cages to bicycle frame. Suitable for most road bikes and mountain bikes. Specification: Material:Plastic Size:Approx.80 x 80 x 100mm/ 3.1 x 3.1 x 3.9inch Color:Black Package Includes: 1 Piece Bike Seat Bottle Holder
