SDG Bel-Air 3. 0 Carbon Rail Saddle The SDG Bel-Air 3. 0 Carbon Rail Saddle is a revised version of the well-known Bel-Air saddles, which are practical and comfortable and all-around comfort and functionality. . It's the ideal saddle for recreational trial and all-terrain riding. For nearly a decade, the Bel-Air has been SDGs most popular saddle. New comfort enhancements and an updated profile makes the latest generation Bel-Air RL more comfortable than ever. Features Rear rise platform with Peri-Canal Groove allows blood flow and boosts comfort Lightweight injection EVA foam, hidden undercut and Free Float Comfort Flex makes it extremely comfortable for long hours on the bike One-piece cover with sonic welded sides and ATMOS sealing gives it a long life Nylon glass base and carbon rails makes for a lightweight and durable saddle Rails:Size:260mm x 140mm | Sdg | Bel-Air V3 Carbon Rail Saddle Black/black | Nylon