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.