Progressive Suspension 412 Series Shocks - 318mm - 412-4209C

Upgrade your cruiser or touring bike's ride quality with Progressive Suspension's 412 Series shocks. These shocks offer a blend of classic styling and modern performance, ensuring a comfortable and controlled ride across various road conditions.

Description

The Progressive Suspension 412 Series cruiser shocks are designed to enhance your riding experience with nitrogen-charged damping and velocity-sensitive valving, automatically adjusting to different road surfaces and riding styles. The progressively wound steel spring delivers superior handling and ride comfort, absorbing bumps and vibrations effectively. The five-position cam-style preload adjuster allows you to fine-tune the spring to match your load and riding preferences. These shocks are a complete assembly, featuring chrome springs and covers for a stylish look. Heavy-duty (HD) applications are recommended for bikes frequently operated near their maximum load capacity. Built with quality materials and precise engineering, the 412 Series shocks provide long-lasting durability and performance.

Features & highlights

• Nitrogen-charged shocks provide consistent damping and improved control.
• Velocity-sensitive valving automatically adjusts to changing road conditions.
• Progressively wound steel spring offers a smooth and comfortable ride.
• Five-position cam-style preload adjuster allows for customized tuning.
• Chrome springs and covers provide a classic, stylish look.
• Heavy-duty applications available for optimized performance under heavy loads.
• Made in the USA, ensuring high-quality construction and reliability.

Technical specifications

• Brand: Progressive Suspension
• Vendor Part Number: 412-4209C
• Adjustment Style: Automatic
• Color/Finish: Black, Chrome
• Damping Method: Gas Charged
• Duty: Heavy Duty, Standard
• Extended Length: 12.50" (318.00 mm)
• Material: Steel
• Mounting Position: Rear
• Product Name: Shock Absorber
• Progressive Spring Rate: 120 lb/in - 170 lb/in (2.15 kg/mm - 3.00 kg/mm)
• Reservoir Location: Internal
• Spring Type: Single Progressive Rate
• Type: Coilover Monotube
• Units: Pair

Important to know

Before purchasing or installing shocks with a length different from the OEM length, ensure that wheel travel alterations do not cause clearance issues, such as swingarm/axle to exhaust contact or chain/belt guard/tire contact.