Profile Design HSF Aeria Hydration System Description: The Profile Design HSF Aeria hydration system is designed to seamlessly integrate with the Aeria Ultimate Stem (Stem is required for installation) - combine with the Aeria Ultimate aerobar this system provides a fully integrated front end "super bike" solution for any bike. This BTA system features the race proven "no splash" fill port, a straw magnet mount for streamlined aero over the top of the system, a bite valve for fluid control and a removable computer mount. Note: Only compatible with the 70mm or 100mm versions of the Profile Design Aeria Ultimate Stem Features: Integrated Hydration system for Profile Design Aeria Ultimate stems Removable computer mount Straw magnet mount manages hydration straw BPA-Free, Food safe HDPE Bottle Specifications: Color: Matte Black Capacity: 30oz Weight: 420g