Progressive Suspension 412 Series Shocks - 279.4mm - 412-4204C

Upgrade your cruiser or touring bike's suspension with the Progressive Suspension 412 Series shocks. These shocks provide a superior ride and improved handling thanks to their progressively wound steel springs and nitrogen-charged design. With a classic chrome and black finish, they offer both performance and style.

Description

The Progressive Suspension 412 Series shocks are engineered to automatically adjust to varying riding conditions using multi-stage, velocity-sensitive valving. These shocks deliver a comfortable and controlled ride, whether you're cruising down the highway or navigating winding roads. The progressively wound steel spring enhances handling and absorbs bumps effectively. A five-position cam-style preload adjuster allows for fine-tuning the ride to suit your individual preferences and load. Designed specifically for cruiser and touring bikes, the 412 Series shocks are a reliable and high-performing upgrade. Heavy Duty (HD) versions are available and recommended for bikes consistently operated at or near their maximum load capacity. Proudly made in the USA, these shocks ensure lasting quality and performance. Their extended length is 11.00".

Features & highlights

• Nitrogen-charged shocks automatically adjust to riding conditions for a smooth and controlled ride.
• Multi-stage, velocity-sensitive valving optimizes damping for superior comfort and handling.
• Progressively wound steel spring provides excellent support and absorbs bumps effectively.
• Five-position cam-style preload adjuster allows for fine-tuning the ride to match your load and preferences.
• Designed specifically for cruiser and touring bikes, ensuring optimal fit and performance.
• Durable construction and high-quality materials ensure long-lasting reliability.
• Made in the USA, guaranteeing superior craftsmanship and performance.

Technical specifications

• Brand: Progressive Suspension
• Vendor Part Number: 412-4204C
• Adjustment Style: Automatic
• Color/Finish: Black, Chrome
• Damping Method: Gas Charged
• Duty: Standard
• Extended Length: 11.00" (279.40 mm)
• Material: Steel
• Mounting Position: Rear
• Product Name: Shock Absorber
• Progressive Spring Rate: 230 lb/in - 270 lb/in (4.10 kg/mm - 4.80 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, verify that the wheel travel can be altered without causing clearance issues, such as swingarm/axle to exhaust contact or chain/belt guard or tire contact. Heavy Duty (HD) applications are recommended for bikes operated at or near maximum load rating over 50% of the time.