Progressive Suspension 13 Series Shock Springs Heavy Duty
Progressive Suspension 13 Series Shock Springs Heavy Duty
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Estimated delivery: Feb 05 - Feb 09
About this product
About this product
Upgrade your dual-sport or off-road motorcycle's suspension with Progressive Suspension's 13 Series Shock Springs. Engineered for demanding riding conditions, these springs deliver enhanced performance and durability for a superior riding experience. Ride with confidence, knowing your suspension is up to the challenge.
Description
The Progressive Suspension 13 Series Shock Springs are designed to provide fade-free performance, utilizing Freon cells to maintain consistent damping even under heavy use. These heavy-duty springs are specifically set up to meet the unique needs of dual-sport and off-road riding, offering improved handling and stability on challenging terrain. The dual linear rate design ensures a smooth ride over small bumps while providing ample support for larger impacts. These springs are an ideal upgrade for riders who frequently carry passengers, use accessories, or weigh over 200 lb (90.72 kg). With a length of 13.00" (330.00 mm) and a progressive spring rate of 70 lb/in - 129.92 lb/in (1.25 kg/mm - 2.32 kg/mm), these springs offer a significant improvement over stock suspension components.
Features & highlights
- Optimized for dual-sport and off-road riding, offering enhanced handling and stability.
- Heavy-duty construction ensures durability and long-lasting performance in demanding conditions.
- Dual linear rate design provides a smooth ride over small bumps while maintaining support for larger impacts.
- Freon cells deliver fade-free performance, ensuring consistent damping even under heavy use.
- Ideal for riders who frequently carry passengers, use accessories, or weigh over 200 lb (90.72 kg).
- Improve your motorcycle's handling and comfort with this easy-to-install upgrade.
Technical specifications
- Brand: Progressive Suspension
- Product Name: Spring
- Type: Shock
- Mounting Position: Rear
- Duty: Heavy Duty
- Spring Type: Dual Linear Rate
- Length: 13.00" (330.00 mm)
- Progressive Spring Rate: 70 lb/in - 129.92 lb/in (1.25 kg/mm - 2.32 kg/mm)
- Color/Finish: Black
- Units: Pair
Important to know
These heavy-duty springs are recommended for riders over 200 lb (90.72 kg), passenger usage over 50% of the time, and/or add-on accessories of considerable weight. If you weigh under 200 lb (90.72 kg) and passenger use is limited to under 50% of the time, a standard spring is recommended.
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
03-1331B
Spring
Heavy Duty
330,00 mm (13,00")
Rear
Shock
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.

