Harley Davidson Sportster [PROGRESSIVE SUSPENSION] - 412 Series Shock Absorber

PROGRESSIVE SUSPENSION 412 Series shock absorbers for Harley Davidson Sportster

The 412 Series shock absorbers from PROGRESSIVE SUSPENSION are specifically designed for use on the rear axle of the Harley Davidson Sportster. These monotube shocks with spring sleeves are filled with gas and offer a progressive spring characteristic that adapts to different riding conditions.

Technical features

• Damper method: Gas filled
• Setting execution: Automatically
• Spring type: Simple progressive spring rate
• Progressive spring rate: 2.05 kg/mm to 2.80 kg/mm (120 lb/in to 170 lb/in)
• Length (extended): 305mm (12.00")
• Material: Steel
• Color/Surface: Black
• Mounting position: Rear
• Position reservoir: Inside
• Number of pieces: Couple

Function and area of application

The 412 Series shock absorbers are designed for heavy-duty use and improve driving stability and comfort in various road conditions. Thanks to the automatic adjustment, the dampers adapt dynamically to the driving style, which ensures constant damping performance. The simple progressive spring rate provides a graduated suspension that works effectively at both low and higher loads.

Material and workmanship

Made of robust steel and with a black surface, the shock absorbers offer high resistance to corrosion and mechanical stress. The internal reservoir contributes to the compact design and protects the damper components from external influences.

Summary

The PROGRESSIVE SUSPENSION 412 Series shock absorbers are a suitable choice for the rear axle of the Harley Davidson Sportster when a reliable and adaptable suspension is desired. The combination of gas pressure technology, progressive suspension and automatic adjustment supports safe and comfortable driving dynamics.