Designed to enhance athlete hydration and aerodynamics.Allows rider to maintain an aerodynamic position while staying hydratedWind tunnel developed, frame mounted system, smoothes airflow around the frameDual splash resistant opening allows for fast, on the fly refills with minimal splashHands free drinking with the bite valve that holds fluid at the readyFrame Mounted to optimize handling (low center of gravity) and minimize dragAero Cage includedCapacity: 40oz (1.2 liters)Dimensions: 12 x 9 x 2"Cage includedWeight: 298g (empty)Bottle Material: Polyethylene PlasticCage Material: 15% Glass Fiber Reinforced NylonItem SpecificationsColorWhiteOunces40fl oz