Harley 49mm Fork Performance Upgrade

If your front suspension feels off…
you feel it everywhere.

Too soft → dives under braking
Too stiff → harsh over bumps
Add a passenger → completely different ride

👉 Stock setups don’t adapt.

🏁 Progressive Suspension Fork Preload Adjusters (49mm)

This is one of the easiest ways to take control of your front suspension.

These thread-in preload adjusters replace your stock fork caps and give you the ability to fine-tune your front end for any riding condition.

⚙️ What This Does:

• Add preload → firmer front end for aggressive riding
• Reduce preload → softer ride for cruising
• Adjust on the fly for:
  • Solo riding
  • Passenger setups
  • Loaded touring

👉 One upgrade. Multiple ride setups.

🔩 Built for Real Performance

• Threaded design replaces stock fork caps
• 20mm (0.8”) of adjustment range
• Black anodized finish for durability
• Built by Progressive Suspension

🧠 Why Riders Upgrade to This

• Better front-end control in corners
• Reduced brake dive
• Tunable comfort for long rides
• Adapts to different riding conditions instantly

👉 This is how you make your suspension work for you.

🛠️ Features:

• Fits 49mm Harley forks
• Compatible with:
  • Stock height
  • 1”–2” lowered setups
• Includes:
  • Preload adjusters
  • 1/2” hex adjustment tool
  • Fork preload adjuster installation socket

🛠️ Fitment

• Designed for Harley-Davidson models with 49mm front forks
• Common on:
  • Touring models
  • Performance baggers
  • Select Softail models

📌 Check your fork size before ordering

❓ FAQ 

Q: What does a fork preload adjuster do?
It allows you to adjust front suspension stiffness for better handling and comfort.

Q: Will this fit my Harley?
Fits models with 49mm forks—common on 2006+ Touring, Dyna and some Softails. Check fitment guide below.

Q: Do I need to remove forks to install?
Typically no—these thread into place of your stock fork caps.

Q: Is this worth it without upgrading springs?
Yes—but pairing with upgraded springs delivers the best performance. Find some HERE.

And while you're at it, check out some new rear suspension to pair with them HERE.

🎥 Learn More on YouTube

Get install tips, tech talk, and product breakdowns on the Imzz Elite YouTube channel.

Fitment Guide: