Description
Product Overview
The Progressive Suspension 412‑4076C rear shock is engineered for street‑cruiser motorcycles demanding reliable, high‑performance suspension. Built with a chrome‑finished alloy steel outer tube and a double‑wall damper, it provides multistage velocity‑sensitive damping and a high‑pressure gas charge for consistent performance. The standard progressive‑rate spring and 5‑position cam style preload adjuster let riders fine‑tune sag and rebound to match weight, riding style, and road conditions. At 12.5 inches extended length and weighing 10 pounds, it fits a universal rear position while delivering a heavy‑duty, durable solution.
Usage
Designed for street‑cruiser motorcycles, this rear shock excels on city streets, highway cruising, and light touring. Riders who carry passengers or luggage benefit from the adjustable preload, ensuring optimal rear wheel contact and comfort. The chrome finish resists corrosion, making it suitable for coastal climates and frequent rain. Whether you’re commuting daily or enjoying weekend rides, the shock adapts to varying loads and road surfaces.

Why Choose Us
Progressive Suspension has a proven track record in powersports shocks, reflected in a 4.3‑star rating from over 60 verified buyers. The 412 Series combines a rugged alloy steel construction with precision engineering, delivering long‑lasting durability and consistent damping. Each unit undergoes strict quality testing, and the universal fit eliminates the need for custom modifications. Our after‑sales support includes fit‑verification guides and a responsive warranty service.
Key Features
- Chrome‑finished alloy steel outer tube for corrosion resistance and sleek appearance
- Double‑wall damper with multistage velocity‑sensitive damping for smooth ride quality
- 5‑position cam style preload adjuster for precise sag and load tuning
- High‑pressure gas charge ensures consistent performance across temperature ranges
- Universal rear fit compatible with most street‑cruiser motorcycles
FAQ
Is this shock compatible with my specific cruiser model?
The 412‑4076C is a universal rear fit designed for a wide range of street‑cruiser motorcycles. Verify mounting dimensions against your bike’s specifications; most standard rear shock mounts will accept this unit without modification.
How do I adjust the preload?
Use the 5‑position cam style adjuster located at the top of the shock. Turn the adjuster clockwise to increase preload (stiffen) or counter‑clockwise to decrease it, allowing you to fine‑tune sag for rider weight and cargo.
What maintenance is required?
Periodically inspect the shock for dust or debris buildup and clean the chrome surface with a mild automotive cleaner. The internal gas charge is sealed for life, so no regular fluid changes are needed.
Can I install this shock myself?
Yes, the shock comes with all necessary mounting hardware. Basic hand tools are sufficient, but we recommend following the included installation guide or consulting a professional mechanic if you are unfamiliar with suspension work.
What warranty does Progressive Suspension offer?
The product includes a limited one‑year warranty covering manufacturing defects. Register your purchase on the Progressive Suspension website to activate warranty support.




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