Progressive Suspension has focused exclusively on American V-twin suspension since 1982, and its Monotube fork cartridges and 400/970/970G shock series are among the most common upgrades on baggers and Softails. For most riders the stock rear shock is the single worst part on the bike — this is the fix.
Progressive 412 Series shocks offer consistent damping and adjustable preload for Harley-Davidson models, all while remaining an accessible price point. Their robust construction and advanced valving handle diverse riding styles, from casual cruising to more aggressive maneuvers.
Experience a superior ride with Progressive 412 Series shocks on your Harley-Davidson. Featuring a double-wall steel damper body and high-pressure nitrogen gas charge, these shocks deliver consistent performance and durability. The multi-stage velocity-sensitive damping automatically adjusts to road conditions, providing a smooth and controlled feel across varied terrain.
The Progressive 412 Series shocks empower you to fine-tune your Harley-Davidson's suspension with ease. The 5-position cam-style preload adjuster allows for quick adjustments, letting you dial in the ride height and stiffness to suit your weight, passenger, or cargo. This adjustability ensures optimal comfort and improved handling, making every ride more enjoyable.
Can I adjust the preload on these shocks?
Yes, the 5-position cam-style preload adjuster lets you dial in the ride height and stiffness for your weight and riding style without needing specialized tools.
What's the difference between standard and heavy-duty springs?
Standard springs are suitable for average riding loads, while heavy-duty springs are recommended for riders who frequently carry a passenger, heavy luggage, or prefer a stiffer ride.
Will these shocks change the stance of my bike?
Adjusting the preload can slightly affect ride height. For precise fitment and stance, always verify your specific model and year with Shop by Bike before ordering.
| BRAND | Progressive |
| TYPE | Shocks and Struts |
| SKU | T14-614032 |
| WEIGHT | 10.1 lb |
I bought these for my '06 FLHR and could not be happier. I'm 6' 275 lbs so I went with the heavy duty option. Took about 30 min. to change shocks and the ride has improved considerably, took the jolt out of hitting heaves in the road.
While removing the rear wheel for some other service they just quite literally fell apart in two pieces leaving me with a garage floor full of suspension oil and one unusable shock. Spoke with their warranty rep who told me in so many words that its not their problem. Dissapointed to say the least.
So far loving these, the ride is much smoother and an awesome look. Going for the 12" was a good choice, raised it but not too much.
Just changed from my stock Harley to the 13-in and what a difference it made. Bike handles better and rides better
