Check the listing for details. Profile Design HSA 800 EVO+ Aero Hydration System 27oz/800ml | Lightweight,. Condition: New. Listed at 117.50 USD. The HSA 800 Evo Hydration System is an upgraded version of the HSF AERO HC 800, featuring improved Garmin placement, a refined rear cap mechanism, and a shape designed to minimize aero drag. It includes a flexible hose with a bite valve and magnetic retention, a direct/removable Garmin mount, a new mounting bracket with greater compatibility, and a high-retention cage. The HSF BTA cage offers a minimalist design for maximum versatility, with a low weight, high retention, and an integrated computer mount. The HSA 800 EVO bottle can also be replaced with a standard water bottle for shorter rides or races.Flexible hose with bite valve and magnetic retention. Direct Garmin mount / removable. New mounting bracket with greater compatibility. Rear cap can be removed for easy cleaning.