The PROGRESSIVE SUSPENSION 412 Series shock absorbers are specifically designed for use on the rear axle of Harley Davidson FX motorcycles. These shock absorbers are characterized by a monotube design with an integrated spring sleeve that ensures uniform and reliable damping.
PROGRESSIVE SUSPENSION's 412 Series shock absorbers are designed for standard use and offer a progressive spring characteristic that adapts to different driving conditions. The monotube construction enables efficient heat dissipation, which keeps the damper performance stable even on longer journeys. The automatic adjustment ensures constant suspension without manual intervention.
These shock absorbers are intended for replacement on the rear axle of Harley Davidson FX motorcycles and improve driving stability and ride comfort through balanced damping and suspension. The sturdy steel construction and gas-filled damper method contribute to durability and reliability.