siodelko bmx eclat unify seat ride hubThe Eclat Unify Seat is the simplest and most functional form of BMX saddle. Its one piece construction, which connects the seat base and seatpost, eliminates the need for angle and offset adjustmentsjust install and go. An aluminum inner core provides strength, while plastic is injected around it, creating an incredibly strong and lightweight unit. Product features: Material: Aluminum core, outer layer of injected plastic . Construction: One piece