GP Suspension, 20mm Cartridge Kit for HD 39MM Forks FXDX 00-05
GP Suspension, 20mm Cartridge Kit for HD 39MM Forks FXDX 00-05
GP Suspension, 20mm Cartridge Kit for HD 39MM Forks FXDX 00-05
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GP Suspension, 20mm Cartridge Kit for HD 39MM Forks FXDX 00-05

006-20120-203
Regular price
$1,199.00
Sale price
$1,199.00
Regular price
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Introducing the GP Suspension 20mm Cartridge Kit

Years in the Making, Now Ready for Your Ride

After extensive development and testing, we're proud to release our new 20mm cartridge kit—engineered to deliver the same premium performance as our legendary 25mm system, now for smaller diameter forks.

Manufactured & Built in Ventura County, USA. We maintain complete control over quality and componentry.

Racetrack-Proven Technology, Street-Tuned Perfection

This isn't a budget alternative—it's a high-performance hydraulic system that delivers the same flawless operation our 25mm cartridges proved on the racetrack. We wanted riders with smaller forks to experience the best internal replacement system available, so we spared no expense.

Every kit is custom-built after you order. We know that proper setup is just as crucial as premium components. Whether you're touring cross-country over changing terrain or railing canyons at speed, we dial in your suspension for your specific riding style.

Fully Adjustable, Infinitely Tuneable

  • 30 clicks of compression adjustment
  • 30 clicks of rebound adjustment
  • 12 turns of preload

Set it and forget it, or fine-tune to your heart's content—we guarantee we'll find your perfect setup.

FXDX Fitment (2000-2005)

Compatible with all chrome tubes 24.25" - 26.25". We recommend 26.25" tubes for optimal bushing wear, both will set the fork length at 34" (1" longer than OEM).

Experience the difference that obsessive engineering makes.

**For 1999 FXDX models, use part number 006-20120-202 for a 34" fork, and 006-25125-201 for 32" forks**

 

See installation video:

https://www.youtube.com/watch?v=qQg5CtwgOE4

 

Pricing includes a spring set selected by our setup technician based on your riding information

006-20120-203