Monotube Cartridge Fork Kit — 39 mm (1.54")

PROGRESSIVE SUSPENSION Monotube Cartridge Fork Kit — 39 mm (1.54") – 04-20 Sportster

0414-0451
31-2514
  • Converts damper rod forks to high-performance cartridge forks
  • Includes gas-charged monotube cartridges and tuned springs
  • Improves brake dive, stability, cornering, and bottoming control
  • No fork modification required; lowering up to 2" (not for low models)
Hurry! only 13 items left in stock.
€265.58
€333.87
Save €68.29
local_shipping In stock, ships in 2-3 days
Quantity

  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.

Upgrade your stock damper rod forks to a high-performance cartridge setup for improved front-end control. 🔧🏍️

This kit contains gas-charged monotube fork cartridges and custom-tuned fork springs to reduce brake dive, enhance stability, and improve cornering and bottoming control.

No fork modification required; lowering kits lower the front end up to 2". Not for use on low models.

Made in the U.S.A.

: 0414-0451
In Stock

Data sheet

Units
Kit
Style
Monotube
Brand
PROGRESSIVE SUSPENSION
Fork Tube Diameter
39,00 mm (1,54")
Height Adjustment
Standard

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 Sportster Custom Sportster 2004
Harley Davidson Sportster Custom Sportster 2005
Harley Davidson Sportster Custom Sportster 2006
Harley Davidson Sportster Custom Sportster 2007
Harley Davidson Sportster Custom Sportster 2008
Harley Davidson Sportster Custom Sportster 2009
Harley Davidson Sportster Custom Sportster 2010
Harley Davidson Sportster Custom Sportster 2011
Harley Davidson Sportster Custom Sportster 2012
Harley Davidson Sportster Custom 110th Anniversary Sportster 2013
Harley Davidson Sportster Custom Sportster 2014
Harley Davidson Sportster Custom Sportster 2015
Harley Davidson Sportster Custom Sportster 2016
Harley Davidson Sportster Custom Sportster 2017
Harley Davidson Sportster Custom Sportster 2018
Harley Davidson Sportster Custom Sportster 2019
Harley Davidson Sportster Custom Sportster 2020
Harley Davidson Sportster Custom Sportster 2014
Harley Davidson Sportster Custom Sportster 2015
Harley Davidson Sportster Custom Sportster 2016
Harley Davidson Sportster Custom Sportster 2017
Harley Davidson Sportster Custom Sportster 2018
Harley Davidson Sportster Custom Sportster 2019
Harley Davidson Sportster Custom Sportster 2020
Harley Davidson Sportster Custom LE A Sportster 2014
Harley Davidson Sportster Custom LE A Sportster 2015
Harley Davidson Sportster Custom LE A Sportster 2016
Harley Davidson Sportster Custom LE B Sportster 2014
Harley Davidson Sportster Custom LE B Sportster 2015
Harley Davidson Sportster Custom LE B Sportster 2016
Harley Davidson Sportster Custom LE B Sportster 2017
Harley Davidson Low Sportster 2006
Harley Davidson Low Sportster 2007
Harley Davidson Low Sportster 2008
Harley Davidson Low Sportster 2009
Harley Davidson Low Sportster 2010
Harley Davidson Low Sportster 2011
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2016
Harley Davidson Super Low Sportster 2017
Harley Davidson Sportster Superlow Sportster 2018
Harley Davidson Sportster Superlow Sportster 2019
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2016
Harley Davidson Super Low Sportster 2017
Harley Davidson Sportster Superlow Sportster 2018
Harley Davidson Sportster Superlow Sportster 2019
Harley Davidson Sportster Superlow Sportster 2020
Harley Davidson Low Sportster 2005
Harley Davidson Low Sportster 2006
Harley Davidson Super Low Sportster 2011
Harley Davidson Super Low Sportster 2012
Harley Davidson Super Low Sportster 2013
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2014
Harley Davidson Super Low Sportster 2015
Harley Davidson Super Low Sportster 2016
Harley Davidson Super Low Sportster 2017
Harley Davidson Sportster SuperLow Sportster 2018
Harley Davidson Sportster SuperLow Sportster 2019
Harley Davidson Sportster SuperLow Sportster 2020