The TURBO WING SYSTEM - XENON is designed to fit the widest assortment of saddles of any of our dual rear-hydration systems, making installation a breeze! Includes 2 Nylon Composite Xenon Cages with 8 lb of grip! The Turbo Wing's 6061-T6 Aluminum mounting chassis has 3 positions - high, medium and low - to allow you to adjust the system position on to fit the majority of saddles on the market. The TURBO WING is designed to be positioned in the aerodynamic "sweet-spot" directly behind the rider, minimizing drag and maximizing time gains. Depending on rider speed it can save you between 120 and 195 seconds over the course of a full distance triathlon.