Heavy-Duty Fork Spring Kit — 400 mm, 32 mm OD, 1.01–1.39 kg/mm (57–78 lb/in), pair

PROGRESSIVE SUSPENSION Heavy-Duty Fork Spring Kit — 400 mm, 32 mm OD, 1.01–1.39 kg/mm (57–78 lb/in), pair – 12-16 Dyna

PROGRESSIVE SUSPENSION
0405-0314
11-1154

Heavy-duty progressive-rate fork springs with preload spacers that improve front-end stability, reduce brake dive, and increase comfort for heavier riders.

Hurry! only 6 items left in stock.
€118.16
€148.53
local_shipping In stock, ships in 20-25 days
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  Delivery policy

In stock items will be shipped within 1-3 days.

  Return policy

You can return the products within 14 days for a full refund, check our returns policy.

The Heavy-Duty Fork Spring Kit gives a substantial increase in front-end ride quality for heavier riders or anyone seeking a firmer, high-performance feel. 🔧

This cost-effective upgrade replaces stock springs with progressive-rate springs combined with preload spacers to improve front-end stability and brake-dive control while increasing rider comfort.

  • Heavy-duty version of progressive-rate fork springs
  • Cost-effective solution for firmer, more controlled front-end behavior
  • Includes progressive-rate springs with preload spacers
  • Improves stability, reduces brake dive, and increases comfort for heavier riders

Simple to install and tuned for riders who want performance without a full fork overhaul. 🚀

: 0405-0314
: 6 Items
In Stock

Data sheet

Units
Pair
Brand
PROGRESSIVE SUSPENSION
Outside Diameter
32.00 mm (1.26")
Length
400,00 mm (15,75")
Spring Rate
1,01 kg/mm - 1,39 kg/mm (57 lb/in - 78 lb/in)

Shipping Policy

Shipping Areas:

We ship to:

  • Spain (Peninsula and Balearic Islands)
  • European Union countries

We do not ship to the Canary Islands, Ceuta, or Melilla.

Shipping Times:

  • Spain (Peninsula): 2–4 business days
  • Balearic Islands: 3–5 business days
  • EU countries: 3–7 business days depending on destination

Shipping Costs:

Shipping costs are calculated automatically at checkout based on destination and weight.

Free shipping may be offered for qualifying orders, as specified on our website.

Order Processing:

Orders are processed within 1–2 business days after payment confirmation. Orders placed on weekends or public holidays are processed the next business day.

Delivery Issues:

If your order is delayed or arrives damaged, you must notify us within 14 calendar days. We will investigate the issue and offer a resolution in accordance with applicable consumer protection laws.

Return & Withdrawal Policy

Right of Withdrawal:

In accordance with Royal Legislative Decree 1/2007 (Ley de Defensa de los Consumidores y Usuarios), you have the right to withdraw from your purchase within 14 calendar days from the date of receipt, without giving any reason.

To exercise this right, contact us via email or through our website, providing your order number and contact details.

Return Conditions:

  • Products must be unused, in original condition and packaging.
  • Return shipping costs are the responsibility of the customer, unless the product is defective or sent in error.
  • Refunds will be issued within 14 days of receiving the returned goods.

Items Excluded from Return:

  • Custom or personalized products
  • Sealed items that were unsealed after delivery and are unsuitable for return due to hygiene (e.g. cosmetics, personal care)
  • Digital content delivered electronically once download or streaming has begun

If you want to return an item, please contact us first to give you detailed instructions.

This product fits the following vehicles. Use the filters below to narrow down the list if needed.

Manufacturer Model Family Year Notes
Harley Davidson Dyna Switchback Dyna 2012
Harley Davidson Dyna Switchback Dyna 2013
Harley Davidson Dyna Switchback Dyna 2012
Harley Davidson Dyna Switchback Dyna 2013
Harley Davidson Dyna Switchback Dyna 2014
Harley Davidson Dyna Switchback Dyna 2015
Harley Davidson Dyna Switchback Dyna 2016