Product Description
Knobtown Cycle offers the PROGRESSIVE SUSPENSION FORK SPRG 39MM HEAVY DUTY for riders who know quality matters.
Key Features
- Heavy-duty version of the Progressive Suspension fork springs
- The cost-effective go-to for a substantial increase in front end ride quality
- Includes Progressive Suspension rate springs combined with preload spacers
- Improves front end stability and brake dive control as well as increases comfort for heavier riders or those looking for a firm high-performance feel out of their forks
Product Specifications
- Part Number: 04050315
- Brand: PROGRESSIVE SUSPENSION
- Weight: 3.75 lbs
Professional Installation Available
Buy online or visit our Kansas City showroom. Contact us for installation service options! Free Ship to Store!
Part Locations
| Location |
Available |
| Wisconsin (WI) |
20+ |
| New York (NY) |
10 |
| Texas (TX) |
15 |
| Nevada (NV) |
20+ |
| North Carolina (NC) |
20+ |
| National Total |
20+ |
Stock levels last updated: February 21, 2026 6:49 AM
Professional Installation Available
Knobtown Cycle offers professional installation services. Contact us via a service request to learn more.
Thank you for Shopping at Knobtown Cycle!
When you shop with us, you’re not just buying motorcycle parts — you’re supporting a small, family-run business rooted right here in the heartland of America. Every order helps us keep riders on the road and fuels our passion for serving the motorcycle community.
From all of us at Knobtown Cycle, thank you for choosing local and riding with us.
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