Elite 0121708 Cannibal Water Bottle Cage, Black/Purple Huge entry point allows very easy insertion, especially in race situations when you need to get your bottle stowed quickly Wraps completely around the bottle with an elastomer section to allow the cage to automatically adjust for different bottle shapes Tough, reinforced fiberglass construction for durability and competitive weight Wide mouth allows easy insertion from a wide variety of angles, making this highly suitable for frames with tight clearances