Fizik Alpaca Gravita Saddle A Gravity Mountain Bike Saddle When it comes to aggressive riding, you'll want ultra-durable components on your bike that can withstand the most demanding terrain. The Fizik Alpaca Gravita Saddle is a gravity mountain bike saddle that gives you the control you need for fast, aggressive downhill riding. It comes with a smooth-edged shape that combines support and riding control for dropper post use. It also features a ride-compliant fiber-reinforced nylon shell and an S-Alloy rail. Features Mobius rail is a closed-loop design for added strength and weight distribution Co-injected elastic wing panels that flex upon impact Ride-compliant fiber-reinforced nylon shell and an S-Alloy rail Smooth-edged shape that combines support and riding control for dropper post use SPECIFICATIONSDimensions (Lx W)251 x 130mm Cover Synthetic Shell Fiber-Reinforced Nylon Padding EVARails S-Alloy, 7x7mm Intended Use Gravity, Enduro, Park Weight216g | Fi'zi:k | Alpaca Gravita Saddle | Black | 130Mm | Nylon