Progressive Suspension 444 Series Shocks - Chrome, Heavy Duty
Progressive Suspension 444 Series Shocks - Chrome, Heavy Duty
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Estimated delivery: Feb 04 - Feb 08
About this product
About this product
Upgrade your ride with the Progressive Suspension 444 Series Shocks. These shocks are engineered for superior ride quality and consistent performance, offering a significant improvement over stock suspension.
Description
The 444 Series shocks feature Frequency Sensing Technology (FST), enabling them to automatically adjust damping based on the frequency of bumps encountered, providing a smoother and more controlled ride. The deflective disc valving further enhances damping performance. The pre-load spring is easily adjustable by hand, eliminating the need for special tools. Each shock includes a progressive-rate spring and is high-pressure gas charged to maintain consistent performance under varying conditions. Made in the USA with high-quality materials and precision engineering, the 444 Series shocks are built to last. The heavy-duty construction is recommended for bikes frequently operating at or near maximum load capacity.
Features & highlights
- Experience superior ride quality with Frequency Sensing Technology (FST) that automatically adjusts damping.
- Enjoy consistent performance with deflective disc valving and high-pressure gas charging.
- Easily adjust pre-load by hand without the need for specialized tools.
- Benefit from a progressive-rate spring that optimizes comfort and control.
- Rely on the durability and quality of shocks proudly made in the USA.
- Optimized for heavy-duty applications, ensuring reliability under maximum load.
Technical specifications
- Brand: Progressive Suspension
- Product Name: Shock Absorber
- Type: Coilover Monotube
- Mounting Position: Rear
- Adjustment Style: Automatic
- Duty: Heavy Duty
- Color/Finish: Chrome
- Extended Length: 12.50" (318.00 mm)
- Spring Type: Single Progressive Rate
- Progressive Spring Rate: 115 lb/in - 155 lb/in (2.05 kg/mm - 2.77 kg/mm)
- Reservoir Location: Internal
- Units: Pair
Important to know
Installing shocks with lengths different from the OEM specification may alter the motorcycle's head angle and steering characteristics. Before installation, ensure that altering wheel travel does not cause clearance issues (e.g., swingarm/axle to exhaust contact or chain/belt guard or tire contact).
Shipping & Return
Shipping & Return
Free shipping to GLS parcel shop parcel box for purchases over DKK 1,000.
GLS home delivery costs DKK 59.
We do our best to ship your order as quickly as possible. All orders are generally packed within 24 hours on weekdays.
There is a 14-day return policy. Read more
Parts Denmark Info
Parts Denmark Info
Parts Denmark is a new webshop based in Denmark. We have a physical location you can visit (No showroom yet), and we have both email and phone support in our opening hours.
Our company info is:
Parts Denmark ApS
VAT: DK45974758
Dam Holme 11
3660 Stenløse, Denmark
hello@partsdenmark.com
+45 222 333 29
Best regards,
William Svendsen & Martin Høyer (Owners)
Specifications
PROGRESSIVE SUSPENSION
444-4019C
Shock Absorber
Heavy Duty
Rear
Coilover Monotube
Pair


Who is behind Parts Denmark
Martin and William are the duo behind Parts Denmark — an unlikely but awesome combo of a tech-savvy young IT wizard and a seasoned motorcycle guru who’s seen (and fixed) it all. Together, we’ve built a team with big ambitions, plenty of passion, and a shared mission to create great things — side-by-side with you.

