S himano PRO Aerofuel TRI/TT Water Bottle Used for a handful of long training rides and at Ironman Canada 2016, included is a more malleable straw that comes stock on Specialized Shiv bikes Aerodynamic design, perfect for triathlon and time trialSlide-on bracket constructionVelcro straps and ext.brackets to fit wider barsCapacity: 750 ml100% BPA free