Hydrate to dominate! Keep your water bottle easily accessible with the Lectric Water Bottle Holder & Adapter. Compatible with most 12-24 oz water bottles. Easily mountable to your stem, seat tube, or handlebars with an included & simple Mounting Adapter. Open-top for easy access while riding. Compatibility: All Lectric eBike Models What's in the box: Bottle Holder Mounting Adapter (5) 3mm bolts Mounting Plate Clamp Optional rubber spacer for Adapter Product Specifications: Cage Material: 6061 Aluminum Laser Etched "Experience" Welded Mounting Plate Anodized Black Compatible with 12-24 oz bottle Instructions: Bottle Holder instructions found here.