The Race Face Chester Seatpost (30.9 x 325mm, Black) is a heavy-duty, trail-proven rigid seatpost designed for frames with an oversized 30.9mm seat tube.

Core Product Specifications

• Brand & Model: Race Face Chester (Manufacturer Part Number: SP12CHE30.9X325BLK).
• Diameter: 30.9 mm, a widely used standard for modern hardtails, full-suspension trail bikes, and enduro frames.
• Length: 325 mm, offering a balance between height adjustability and the ability to lower the post for technical trail features and jumps.
• Clamp Style: Zero-offset, secure dual-bolt adjustable head, allowing independent micro-adjustments for your saddle angle and fore-aft position.
• Material: Robust, thick-walled 6061 aluminum alloy.
• Finish: Anodized matte black with a shot-peened surface treatment to maximize impact resistance and prevent fatigue failure under aggressive riding conditions.
• Weight: Approximately 231 grams, making it very competitive for a durable DH/freeride post.

Key Benefits

• Optimized for 30.9mm Tubes: This diameter enhances stiffness and structural strength at the frame junction, minimizing flex when seated over rough terrain.
• Aggressive Riding Focus: Designed to withstand the forces of freeride, downhill, and dirt jumping, this seatpost is a "set-and-forget" component that endures crashes and hard landings.
• Rock-Solid Clamping: The dual-bolt clamp design ensures your saddle rails remain locked in place, eliminating the risk of saddle tilting or shifting during tail-heavy landings.

This seatpost is built to handle the rigors of aggressive riding while maintaining reliability and performance.