Progressive Suspension 412 Series Cruiser Shocks
Progressive Suspension 412 Series Cruiser Shocks
Available in stock (4)
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Estimated delivery: Feb 06 - Feb 10
About this product
About this product
Upgrade your cruiser or touring bike's ride quality with the Progressive Suspension 412 Series shocks. These shocks offer a blend of classic styling and modern technology, providing enhanced comfort and control on the road. Experience improved handling and a smoother ride, whether you're commuting or touring.
Description
The Progressive Suspension 412 Series cruiser shocks are nitrogen-charged and feature multi-stage, velocity-sensitive valving. This advanced valving automatically adjusts to various riding conditions, ensuring optimal performance. The progressively wound steel spring enhances ride quality and handling, delivering superior control and comfort. A five-position, cam-style preload adjuster allows you to fine-tune the ride to your specific needs. These shocks are specifically designed for cruiser and touring bikes, offering a significant upgrade over stock suspension. Heavy Duty (HD) applications are recommended for bikes frequently operated at or near their maximum load rating. These coilover monotube shocks provide consistent damping and long-lasting performance. They are sold as a pair, ready to install on your rear suspension.
Features & highlights
- Experience enhanced ride comfort and control with nitrogen-charged shocks.
- Enjoy consistent performance thanks to multi-stage, velocity-sensitive valving that adapts to changing conditions.
- Fine-tune your ride with a five-position, cam-style preload adjuster.
- Benefit from superior handling and stability with a progressively wound steel spring.
- These shocks are specifically designed for cruiser and touring motorcycle applications.
- Upgrade to a complete shock assembly including chrome springs and covers for a stylish look.
- Heavy Duty (HD) versions cater to bikes frequently near maximum load.
Technical specifications
- Brand: Progressive Suspension
- Product Type: Coilover Monotube Shocks
- Damping Method: Gas Charged
- Spring Type: Single Progressive Rate
- Spring Rate: 75 lb/in - 120 lb/in (1,35 kg/mm - 2,15 kg/mm)
- Extended Length: 13.00" (330.00 mm)
- Adjustment Style: Automatic
- Mounting Position: Rear
- Color/Finish: Black, Chrome
- Material: Steel
- Units: Pair
- Duty: Heavy Duty, Standard
Important to know
Before purchasing or installing shocks with a length different from the OEM length, ensure that altering your wheel travel will not cause clearance issues. Check for swingarm/axle to exhaust contact and 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
412-4210C
Shock Absorber
Heavy Duty, Standard
Rear
Steel
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.

