Gravita Alpaca X5 Saddle + Alpaca Tool CarrierCaracteristicas: A downhill mountain bike saddle with rounded contours allow smooth, fast movements of the inner legs as you guide your bike down the hill Gives you the control you need for fast, aggressive downhill riding A combination of a ride compliant carbon reinforced nylon shell and an S Alloy rail Closed loop Mobius rail design for added strength and weight distribution 7x7 mm Co injected elastic wing panels that flex upon impact Includes MTB