What is the main benefit of the progressive rate springs?

Progressive rate springs start softer and get stiffer as they compress. This means they can provide a more comfortable ride for lighter loads and still offer adequate support and control when carrying heavier weight or hitting larger bumps.

How do I adjust the preload on these shocks?

These shocks feature a 5-position cam-style preload adjuster. You can rotate this cam to change the spring tension, allowing you to fine-tune the suspension's sag and stiffness to match your riding style and load.

What is included with these shocks?

This listing is for a pair of Progressive 412 Series 12.5 inch chrome shocks with chrome springs. Hardware for installation is typically not included and may need to be sourced separately or reused from your original shocks.

Specifications

Brand: Progressive
Part #: 412-4007C
UPC: 412-4007C

Progressive Harley 412 Series Shocks 12.5in - Chrome

Name: Progressive Harley 412 Series Shocks 12.5in - Chrome
Brand: Progressive
SKU: progressive-progressive-harley-412-series-shocks-12-5in-chrome-t14-669137
Price: 379.95 USD
Availability: BackOrder

$379.95

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Progressive Harley 412 Series Shocks 12.5in - Chrome. Improves suspension performance with consistent damping and adjustable preload.

Key Features

Fits a wide range of Harley-Davidson motorcycle models.
All steel double wall damper construction for durability.
High-pressure gas charged for consistent damping performance.
Multistage velocity sensitive damping adjusts to speed.
Progressive rate springs offer improved ride quality for various loads.
5-position cam style preload adjuster allows for ride tuning.

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Will this fit your vehicle?

About this part

Product Details

If you're looking to get more out of your Harley-Davidson's suspension, these Progressive 412 Series shocks are a solid option. They're designed to fit a wide range of Harley models, from FXR Super Glides to Sportster 1200 Customs, offering an improved ride for many riders. These shocks replace your stock units to give you smoother, more consistent damping and the ability to fine-tune your ride.

The double-wall steel body construction is well-built and houses a nitrogen-charged damping system. This setup uses multi-stage valving that adjusts to your speed, ensuring control whether you're cruising or hitting bumps. The springs are progressive rate, meaning they start softer and get stiffer as they compress, which helps handle both light rider weights and heavier loads. Plus, the five-position cam-style preload adjuster lets you easily dial in the right amount of sag for your specific needs, whether you're riding solo or two-up.

This particular set comes in a bright chrome finish with chrome springs, giving your bike a classic look. They measure 12.5 inches in length, which is a common size for many Harley applications. If you're looking for a noticeable improvement in ride comfort and handling without breaking the bank, these 412 Series shocks are a popular choice.