SDG Bel Air 3.0 Lux-Alloy SaddleAll set for exploring the MTB trails, this saddle gives you fantastic comfort and control on the most aggressive of rides. It features a nylon glass shell, which allows you to benefit from its incredible strength, without having to worry about adding any unnecessary weight to your mountain bike. SDG has also equipped this version with alloy rails, so you can benefit from their secure hold to your seatpost as you blast across the mountain at speed. Features: Cover: 1-pc cover with sonic welded sides Rail Material: AlloyShell Material: Nylon Glass Base w/ BridgePadding Material: Lightweight Injected EVA Foam Use: MTB, Enduro, All Mountain and XC Size: 260x140mm Rear Rise Platform Hidden Undercut (Cut-Out) Nose Platform Peri-Canal Groove Free Float Comfort Flex ATMOS sealingBuy SDG Components from Chain Reaction Cycles, the World's Largest Online Bike Store.