GP Suspension, 25mm Cartridge Kit for HD Softail Lowrider ST 22' - 25

GP Suspension 25mm Cartridge Kit has been re-engineered to deliver unmatched performance for your Harley-Davidson Softail. With updated valving, spring rates, and increased travel, this kit transforms your ride into a benchmark of comfort, control, and precision.

Exceptional suspension starts with a top-tier hydraulic system—designed to smooth out every bump and imperfection. Developed through decades of experience working with elite racers, this system is the result of continuous refinement and expert craftsmanship. Every component is engineered and machined in-house in Ventura, California—100% American-made.

Why choose GP Suspension?

• Superior Traction & Ride Quality: Improved grip and comfort on all road conditions.

• Tailored Setup: Each kit is custom-built based on your weight and riding style.

• Increased Fork Stroke: Enhanced from 121mm to 125mm for better compliance and control.

• Full Adjustability: Fine-tune preload, compression, and rebound via the fork caps—ideal for riders who like to dial in their ride.

Whether you're chasing a plush, street-cruising feel or a track-ready setup with razor-sharp handling, we've got you covered.