Ritchey Comp 2-Bolt Seatpost: 31.6mm 400mm Black 2020 Model. Ritchey Comp 2-Bolt post is compatible with multiple rail types and features and extra secure 2-bolt clamp.

Internally ovalized to maximize strength

Two-bolt design for easy to adjust vise-like grip

Low profile clamp reduces stress on lightweight rails and won’t bottom out

Bolts oriented to the axis of the rails for greatest contact area with the saddle