Progressive Suspension 412 Series Shocks - 305mm - 412-4228C

Upgrade your cruiser or touring motorcycle's ride quality with the Progressive Suspension 412 Series shocks. These shocks deliver improved handling and comfort, making every ride more enjoyable. Built with quality materials and advanced technology, they are a reliable choice for discerning riders.

Description

The Progressive Suspension 412 Series shocks are engineered to provide a superior riding experience for cruiser and touring bikes. Featuring nitrogen-charged damping and multi-stage, velocity-sensitive valving, these shocks automatically adapt to varying road conditions, ensuring optimal performance. The progressively wound steel spring enhances ride comfort and handling precision. With a five-position cam-style preload adjuster, you can easily fine-tune the suspension to match your riding style and load. The complete shock assemblies include chrome springs and covers, adding a touch of style to your motorcycle. Heavy Duty (HD) applications are recommended for bikes operated at or near maximum load rating over 50% of the time. Made in the USA, these shocks offer unmatched quality and durability. They feature a coilover monotube design and internal reservoir location.

Features & highlights

• Nitrogen-charged shocks automatically adjust to riding conditions.
• Multi-stage, velocity-sensitive valving provides superior damping.
• Progressively wound steel spring enhances ride comfort and handling.
• Five-position cam-style preload adjuster allows for customized tuning.
• Complete shock assemblies include chrome springs and covers for added style.
• Specifically designed for cruiser and touring motorcycles.
• Made in the USA with high-quality materials.

Technical specifications

• Brand: Progressive Suspension
• Product Name: Shock Absorber
• Vendor Part Number: 412-4228C
• Type: Coilover Monotube
• Damping Method: Gas Charged
• Adjustment Style: Automatic
• Mounting Position: Rear
• Units: Pair
• Color/Finish: Black, Chrome
• Material: Steel
• Extended Length: 12.00" (305.00 mm)
• Spring Type: Single Progressive Rate
• Progressive Spring Rate: 120 lb/in - 170 lb/in (2.05 kg/mm - 2.80 kg/mm)
• Reservoir Location: Internal
• Duty: Standard

Important to know

Before purchasing or attempting to install shocks that are different than the OEM length, confirm that your wheel travel can be altered without causing clearance issues such as swingarm/axle to exhaust contact as well as 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.