Water never tasted so aeroSpecifically designed to be used with the RSL Aero Bottle Cage (sold separately) to make you more aerodynamic on the bike. The RSL Aero Water Bottle is for the rider who values speed just as much as this fast and functional water bottle with excellent squeeze and easy-to-use poppet.Product detailsTested 1.8 watts faster at 22 mph on the Madone Gen 8 compared to standard round bottlesTested faster on other race bikes in our aerodynamic modelling systemRSL Aero Water Bottle and Cage system is UCI Compliant to ensure safety at all levels of competitionUSDA-approved and free of BPAs and phthalatesBottle and cap are dishwasher-safe and recyclablePop Top's soft thermoplastic poppet is easy to open and closeLong-lasting graphics resist scratching for a look that lastsEvery watts mattersThe RSL Aero Water Bottle and Cage is the hydration vessel of choice for team Lidl-Trek, offering 1.8 watt savings at 22 mph on Madone Gen when compared to round bottles and standard c