DIY Maintenance Guide for Your Super Deluxe Ultimate RCT Rear Shock

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The RockShox Super Deluxe Ultimate RCT rear shock is a top-tier suspension component designed for serious riders who demand high performance and precision. To ensure that it continues to provide smooth, reliable performance, proper maintenance, and occasional adjustments are essential. In this guide, we will cover the necessary steps for installation, adjustment, troubleshooting common issues, and optimizing the Super Deluxe Ultimate RCT for better performance. We’ll also provide insights into its compatibility with other drivetrain components to help you maximize your riding experience.

Installation of the Super Deluxe Ultimate RCT Rear Shock

Installing the RockShox Super Deluxe Ultimate RCT rear shock is a straightforward process if done correctly. However, it’s important to follow each step carefully to avoid damaging the shock or your bike frame.

  1. Preparation:
    • Clean the area around the shock mounting points on both the bike frame and the shock.
    • Ensure you have the correct shock size for your bike. The Super Deluxe Ultimate RCT comes in different lengths and stroke configurations, so double-check your bike’s requirements.
  2. Remove the Old Shock:
    • Using an appropriate tool, remove the bolts securing the old shock to the frame. Typically, a torque wrench [paid link] will be necessary to remove these bolts without damaging them.
    • Keep these bolts as they will be reused for the new shock installation.
  3. Install the New Shock:
    • Place the Super Deluxe Ultimate RCT rear shock into the mounting points of the frame.
    • Align the eyelet of the shock with the frame’s shock mount. Ensure it sits evenly.
    • Use the original bolts or any new ones provided by RockShox to secure the shock. Tighten them according to the manufacturer’s torque specifications.
  4. Check for Proper Alignment:
    • Ensure the shock is aligned correctly with the frame. A misaligned shock can cause premature wear or loss of performance.
    • Double-check the mountings to ensure everything is secure.
  5. Recheck and Test:
    • Once installed, perform a visual inspection to ensure no parts are loose.
    • Test the shock by gently compressing it by hand and checking for smoothness and resistance.

Adjustments for Optimal Performance

The Super Deluxe Ultimate RCT is equipped with a variety of adjustable features that can significantly impact the ride quality and performance. Here are the key adjustments to consider:

Air Pressure Adjustment

  • Setting the Right Pressure: Start by setting the air pressure according to your body weight and riding style. RockShox typically provides a recommended air pressure range, but fine-tuning is often necessary. Start low and increase the pressure until you achieve your desired level of sag.
  • Measuring Sag: To measure sag, compress the shock and check the travel. Aim for around 25-30% sag, but adjust this depending on your riding preference and terrain.

Rebound Adjustment

  • Purpose: The rebound control adjusts the shock’s return speed after compression. Faster rebound settings are suitable for smoother trails, while slower settings are ideal for rougher terrains.
  • How to Adjust: Turn the rebound knob located on the bottom of the shock. Begin with a neutral setting and adjust based on trail conditions. A slower rebound will allow for more control over technical sections, while faster rebound offers better performance in smoother sections.

Compression Damping

  • Low-Speed Compression: The Super Deluxe Ultimate RCT offers adjustable low-speed compression damping. Adjust this to prevent bottoming out during heavy compressions, such as landings or deep ruts.
  • High-Speed Compression: High-speed compression controls shock response to fast, hard impacts. For aggressive riding or rough terrain, a firmer setting is beneficial, but be careful not to overdo it, as it can make the ride too stiff.

Troubleshooting Common Setup Issues

Despite its advanced features, the Super Deluxe Ultimate RCT may encounter some common issues during use. Here are some troubleshooting tips:

1. Shock Bottoming Out

  • Possible Cause: Insufficient air pressure or incorrect compression damping settings.
  • Solution: Increase the air pressure to match your weight or adjust the compression damping settings to prevent the shock from compressing too much.

2. Harsh Ride Quality

  • Possible Cause: Too much air pressure, too much rebound damping, or excessive compression damping.
  • Solution: Reduce the air pressure slightly to achieve the recommended sag. Adjust the rebound damping to a faster setting for a smoother ride. Dial back the compression damping to prevent the shock from being too stiff.

3. Lack of Sensitivity

  • Possible Cause: Low air pressure, too much compression damping, or excessive rebound damping.
  • Solution: Lower the compression damping slightly and check the air pressure to ensure it’s correct for your weight. A more sensitive shock will improve comfort and traction.

4. Noise or Creaking Sounds

  • Possible Cause: Dirty or worn shock mounts, or lack of lubrication.
  • Solution: Clean and lubricate the shock mounts and check for any damage to the shock bushings. Ensure everything is properly torqued to prevent any loose components.

Customization for Better Performance

The Super Deluxe Ultimate RCT is highly customizable, allowing you to tailor the shock’s performance to your specific riding style and terrain.

Adjusting the Volume Spacers

  • RockShox offers volume spacers that help control the shock’s progression. If you find that the shock is too linear (i.e., it doesn’t provide enough bottom-out resistance), adding volume spacers will increase the mid-stroke progression and help prevent bottoming out.

Fine-Tuning for Terrain

  • For aggressive trail riding or downhill, consider increasing the compression damping and air pressure slightly. For cross-country or more technical riding, you may want to soften the shock by decreasing air pressure and adjusting the rebound settings for quicker responses.

Compatibility with Other Drivetrain Components

The Super Deluxe Ultimate RCT is designed to be compatible with most modern mountain bikes equipped with 200mm or smaller rear triangle sizes. It’s important to ensure that your bike’s rear triangle geometry works well with the shock’s stroke and eyelet dimensions. Additionally, you’ll want to check the compatibility of your drivetrain, particularly the rear derailleur, to ensure there’s no interference with the shock during suspension movement.

Suspension Linkage Compatibility

  • Make sure that your bike’s suspension linkage is compatible with the Super Deluxe Ultimate RCT’s mounting hardware. Some frames may require different hardware or shock adapters to ensure a secure fit.

Dropper Post and Rear Shock Integration

  • For bikes with a dropper post, ensure that the dropper’s routing does not interfere with the rear shock. In some instances, routing may need to be adjusted slightly to avoid clashing with the shock’s mounting points.

Conclusion

The RockShox Super Deluxe Ultimate RCT rear shock offers excellent performance for demanding riders who seek a premium suspension experience. Proper installation, regular maintenance, and understanding its adjustable features will ensure you get the most out of your shock. Troubleshooting common issues, customizing settings for specific needs, and ensuring compatibility with your bike’s drivetrain and components will help optimize your bike’s suspension performance for various trail conditions. By following the steps in this guide, you’ll be able to maintain and adjust the Super Deluxe Ultimate RCT rear shock for a smooth, controlled ride that enhances your overall cycling experience.