Our most aerodynamic and user-friendly rear hydration system to date. 2x the time savings over the previous gen Carbon Wing. Multiple mounting & cage position adjustments maintain aerodynamics while improving ergonomics. Fits over 50 saddle models by 17 manufacturers. Update: Cage Arms & Rail Bracket re-designed for more adjustability and strength.Includes 2 GORILLA CAGES with 10 lb of gripAlso available with custom Red or White Gorilla Cages at no extra charge!