
The BLACKBIRD seat foam +15mm (manufacturer reference 4509) is designed for motocross riders who want to adjust their riding position without modifying the original seat base. Made from closed-cell expanded polyurethane, this foam retains its characteristics over time and does not absorb water, making it suitable for muddy and wet track conditions.
Whether you are looking to gain control during cornering, adjust the front/rear balance, or simply change the seating feel, this foam offers a simple and reversible solution. Designed for the world of motocross, it adapts to demanding models and intense track sessions.