DIY Rear Shock Tuning: Get the Most from Your Float DPS Performance

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The Fox Float DPS Performance [paid link] rear shock is a high-performance shock that is designed to provide riders with a responsive and smooth ride. Tuning the rear shock is essential to optimize the bike’s suspension for your riding style, terrain, and comfort preferences. Whether you’re a seasoned rider or just getting into mountain biking, proper setup and maintenance can significantly enhance your riding experience. This guide will walk you through the installation, adjustment, maintenance, troubleshooting, and optimization processes for the Fox Float DPS Performance [paid link] rear shock.

Tools Required

  • Fox Float DPS Performance rear shock
  • Shock pump (accurate to 1 psi)
  • 8mm hex wrench
  • Torque wrench [paid link] (for proper tightening)
  • Cleaning supplies (cloths, degreaser, and brush)
  • Shock fluid (if performing a full service)
  • Small flathead screwdriver
  • Fox-approved suspension oil
  • Grease (optional for mounting hardware)

Installation of the Fox Float DPS Performance

Installing the Fox Float DPS Performance shock onto your bike requires careful attention to ensure that it functions optimally and safely. Below are the steps to properly install the shock:

  1. Prepare the Shock
    Begin by ensuring the shock is in good condition, with no visible damage or leaks. Confirm that the air pressure is set to the recommended settings according to your body weight or the specifications provided by Fox.
  2. Remove the Old Shock
    If you’re replacing an old shock, remove it by using an 8mm hex wrench to loosen the mounting bolts. Carefully detach the shock from the frame.
  3. Install the New Shock
    Position the Fox Float DPS Performance shock onto the frame. Ensure that the shock’s eyelets are aligned with the mounting holes. If necessary, apply a small amount of grease to the shock’s mounting hardware to prevent creaking. Tighten the bolts securely using a torque wrench [paid link] to the manufacturer’s recommended settings.
  4. Check for Clearance
    Once installed, check that there is sufficient clearance around the shock to avoid contact with the frame, tires, or other components during compression and rebound.
  5. Inflate the Shock
    Use a shock pump to set the air pressure according to your weight and riding style. This is critical for proper shock performance, as too much or too little pressure will impact the bike’s ride quality and handling.

Adjusting the Fox Float DPS Performance

To optimize the performance of your Fox Float DPS Performance shock, it’s crucial to adjust the settings to suit your weight, riding style, and terrain. The Float DPS features three main settings: Open, Medium, and Firm, which affect the shock’s compression damping. Here’s how to adjust them:

Compression Damping Adjustment

  1. Open Mode: This setting allows the shock to provide maximum sensitivity and comfort by letting the shock move freely. This is ideal for technical descents and rough terrain.
  2. Medium Mode: This setting offers a balance between comfort and support, ideal for mixed-terrain riding, offering a bit more control than the Open setting while still providing good traction.
  3. Firm Mode: This mode stiffens the shock, making it less active and providing more support. This is suitable for smooth trails or when you need to conserve energy on long, flat sections of the trail.

Rebound Damping

Rebound damping controls how quickly the shock returns to its original position after being compressed. Adjusting the rebound setting ensures that your shock recovers at an optimal rate, providing a controlled and predictable ride.

  1. Turn the Rebound Dial: The rebound adjustment knob is typically located at the bottom of the shock. Turning it clockwise increases rebound damping (slows the return), while turning it counterclockwise decreases the damping (faster return).
  2. Fine-Tuning: Start with a neutral setting and adjust it based on how the shock feels on your first ride. If the shock feels too bouncy, slow the rebound. If it feels too harsh, increase the rebound speed.

Air Pressure

The air pressure in the shock is one of the most critical factors in its performance. Use a shock pump to adjust the air pressure based on your weight and riding preferences. Fox provides a recommended air pressure chart based on rider weight, but you may need to fine-tune it for your specific needs.

  1. Set the Pressure: For most riders, the recommended pressure is based on body weight. Begin with the baseline and then adjust the pressure for comfort or support. Remember that increasing the pressure will stiffen the shock, and reducing it will increase sensitivity.
  2. Sag Setting: The sag is the amount of shock compression under your body weight. For the Fox Float DPS Performance, aim for around 25-30% sag, which allows the shock to absorb terrain without bottoming out or feeling too firm.

Maintenance of the Fox Float DPS Performance

Regular maintenance is essential for keeping your Fox Float DPS Performance shock in peak [paid link] condition. Here’s how to maintain it:

  1. Cleaning: After every ride, clean the shock to remove dirt, mud, and debris. Use a clean cloth, degreaser, and a brush to gently clean the body and eyelets. Avoid using high-pressure water, as it can damage seals.
  2. Inspect for Leaks: Check the shock for any signs of air or oil leaks. If you find any, it’s important to get the shock serviced by a professional as leaks can severely affect the performance.
  3. Service the Shock: Every 50-100 hours of riding, Fox recommends performing a basic service on the shock, including a damper service and lubrication. This involves replacing the shock fluid and cleaning the internals. For a complete overhaul, it’s best to consult a professional technician.

Troubleshooting Common Set-Up Issues

While the Fox Float DPS Performance is a high-quality shock, there are common issues riders may face during set-up. Here are some troubleshooting tips:

  • Shock Not Holding Air: If the shock is losing air, check for damaged seals or a faulty valve. This can happen after many rides or exposure to rough conditions. Replacing seals or getting a professional service may be necessary.
  • Too Much Sag: If the sag is too deep, it may mean there’s too little air pressure. Add air and test again to find the ideal pressure for your weight and riding conditions.
  • Excessive Rebound or Compression: If the shock feels too harsh or unresponsive, adjust the rebound or compression settings. Fine-tune the damping to find a balance that suits your riding style.

Customization and Optimization

The Fox Float DPS Performance shock is highly customizable to match different riding preferences. To get the most out of your shock, consider the following optimizations:

  • Customize Air Pressure: For downhill riding, you may want a slightly higher air pressure to avoid bottoming out. Conversely, for cross-country, reduce air pressure to enhance sensitivity and traction.
  • Adjust Compression Settings: If you ride on technical trails with frequent drops and rocks, use the Open setting to provide maximum absorption. For smoother trails, use the Firm setting for better pedaling efficiency.
  • Upgrade Seals and Fluids: For riders who do a lot of aggressive downhill riding, consider upgrading to higher-quality seals or using heavier suspension fluid for better durability and performance.

Compatibility with Other Drivetrain Components

The Fox Float DPS Performance rear shock is designed to be compatible with a wide range of mountain bike frames and drivetrains. However, when pairing it with other components, ensure the following:

  • Shock Mounting Hardware: Make sure the shock’s eyelet sizes and mounting hardware match the frame specifications. Different frame manufacturers may use different mounting standards, so compatibility is crucial.
  • Rear Triangle Flex: Ensure that the rear triangle of your bike frame is stiff enough to handle the performance of the Float DPS shock. A flexing rear triangle can negatively affect the shock’s performance and your bike’s handling.
  • Drivetrain Compatibility: The rear shock itself does not directly affect drivetrain compatibility, but it’s essential to ensure that your chainstay and bottom bracket spacing work well with your shock to avoid any rubbing or clearance issues.

Conclusion

Tuning your Fox Float DPS Performance rear shock is a straightforward process, but it requires attention to detail. Proper installation, adjustment, and maintenance can ensure that your shock performs at its best, improving both comfort and handling on your rides. By customizing the shock settings to your riding style, terrain, and preferences, you can optimize your bike’s suspension system for a smoother, more responsive ride. Regular maintenance will also extend the lifespan of your shock, keeping it in top condition for countless rides.