Ritchey Comp Seatpost with 25 mm setback featuring a shaft made from unidirectional carbon and 6061 aluminum low profile clamp for less stress on lightweight saddle rails. Very durable! The two-bolt design provides an easy-to-adjust, vise-like grip. A wide, low-profile clamp reduces stress on lightweight saddle rails and won't bottom out. Strong and light 3D forged one-piece construction. Wide saddle cradle support system.