Trek RSL Aero Water Smoke Bottle

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.The RSL Aero Water Bottle is a replacement or extra aero water bottle to fit in your Trek RSL Aero Bottle Cage.Tested 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 modeling systemRSL Aero Water Bottle & 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 close