Upgrading Your Suspension with Deluxe Coil Ultimate Rear Shocks

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The Deluxe Coil Ultimate [paid link] rear shock from RockShox offers exceptional performance for riders seeking improved comfort, control, and durability in rough terrain. This guide will walk you through the installation, adjustment, and maintenance of the Deluxe Coil Ultimate [paid link], provide troubleshooting tips for common issues, and explore how to optimize its performance. Additionally, we will discuss how this rear shock compares to similar models and its compatibility with other drivetrain components.

Tools Required

Before you begin the installation or adjustment of your Deluxe Coil Ultimate rear shock, ensure you have the following tools:

  • 5mm Allen wrench [paid link]
  • Torque wrench [paid link]
  • Shock pump (for pressure adjustments)
  • Soft cloth or cleaning towel
  • Grease (for pivot points)
  • 8mm or 10mm socket (depending on the mount)
  • Suspension fluid (for regular maintenance)

Installing the Deluxe Coil Ultimate Rear Shock

Installing the Deluxe Coil Ultimate rear shock requires careful attention to detail to ensure optimal performance. Follow these steps for a smooth installation process:

  1. Remove the Existing Shock: Use your 5mm Allen wrench [paid link] to remove the bolts securing the old shock to the frame. Take care not to damage the frame or hardware.
  2. Clean the Mounting Points: Wipe down the shock mounting points on the frame with a clean cloth. Any dirt or grime here can affect the shock’s performance.
  3. Insert the Deluxe Coil Ultimate Shock: Position the Deluxe Coil Ultimate shock onto the frame’s mounting points. Ensure it is seated correctly in the eyelets before inserting the mounting bolts.
  4. Secure the Shock: Tighten the mounting bolts with the 5mm Allen wrench, ensuring that they are torqued to the manufacturer’s recommended specifications (usually between 20-30Nm). Do not overtighten.
  5. Check for Proper Alignment: Ensure the shock is aligned and that there is no play in the mounting points.
  6. Pump the Shock to Pressure: Using a shock pump, adjust the pressure to your rider weight and preferred compression setting.

Adjusting the Deluxe Coil Ultimate Rear Shock

Proper adjustment of the Deluxe Coil Ultimate rear shock is crucial for achieving the best performance on varied terrain. The shock features adjustable rebound, compression, and coil spring preload, which allow you to fine-tune your ride based on personal preference and trail conditions.

Rebound Adjustment

Rebound damping controls how quickly the shock returns to its original position after compression. To adjust the rebound:

  1. Locate the rebound knob at the base of the shock.
  2. Turn the knob clockwise to slow the rebound, or counterclockwise to speed it up.
  3. Start with the middle setting and adjust based on the feel of the shock. If the shock feels too bouncy or too sluggish, fine-tune accordingly.

Compression Adjustment

Compression damping regulates how the shock absorbs impacts and resists bottoming out. To adjust compression:

  1. Find the compression adjustment dial on the shock.
  2. Turn it clockwise for more compression damping (stiffer) or counterclockwise for less damping (softer).
  3. Adjust based on your riding style—higher compression is better for aggressive downhill riding, while lower compression suits more technical or cross-country trails.

Coil Spring Preload

The coil spring preload adjusts the initial sag of the shock. It is essential for maintaining proper suspension geometry. To adjust the preload:

  1. Use the preload adjuster tool to tighten or loosen the coil spring.
  2. A higher preload setting increases the initial stiffness of the suspension, while a lower preload makes the shock more sensitive to lighter impacts.
  3. Check your sag by sitting on the bike and verifying that the suspension compresses around 30% of its total travel, which is ideal for most riders.

Maintaining the Deluxe Coil Ultimate Rear Shock

Routine maintenance is essential for keeping your Deluxe Coil Ultimate rear shock performing at its best. Follow these steps to ensure long-lasting performance:

  1. Clean the Shock Regularly: After every ride, wipe down the shock with a damp cloth to remove dirt and debris. This helps prevent wear on the seals and moving parts.
  2. Check for Leaks: Inspect the shock for any signs of oil leakage or damage to the seals. Leaks can drastically reduce the shock’s performance and need to be addressed immediately.
  3. Lubricate the Shock: Apply a small amount of suspension fluid to the shock’s stanchions and seals every 25-50 hours of riding. This will keep the seals lubricated and reduce friction.
  4. Inspect the Coil Spring: Regularly check the coil spring for wear or damage. If you notice any cracks or fatigue, consider replacing the spring.
  5. Service the Shock: Every 100-150 hours of riding, it is recommended to send the shock for a professional service to check the internal seals, fluid levels, and overall condition.

Troubleshooting Common Issues

Although the Deluxe Coil Ultimate is designed for durability and reliability, issues can still arise. Below are some common problems and their solutions:

1. Shock Bottoming Out

This issue typically occurs when the shock compresses too much during heavy impacts, leading to a harsh bottoming-out feel. To fix this:

  • Increase the compression damping to reduce the shock’s travel.
  • Add more preload to the coil spring if the sag is too high.
  • Check the pressure and ensure the shock is set to the proper rider weight.

2. Excessive Rebound

If the shock returns too quickly after compression, it can cause a pogo-stick effect. To correct this:

  • Adjust the rebound damping by turning the rebound knob clockwise to slow it down.
  • Test the settings on different trails to ensure it rebounds smoothly without bouncing.

3. Shock Sticking or Binding

If the shock feels stiff or doesn’t move freely, there might be contamination or damage inside the shock. To address this:

  • Clean the shock thoroughly and lubricate the seals.
  • If the issue persists, take the shock to a professional for servicing, as internal repairs may be required.

Customizing the Deluxe Coil Ultimate for Optimal Performance

The Deluxe Coil Ultimate rear shock offers plenty of opportunities for customization, allowing you to tailor your ride to your specific needs. Here are some tips for optimizing its performance:

  • Spring Rate: The shock is compatible with a variety of coil springs, allowing you to choose the correct rate for your weight and riding style. A stiffer spring may be necessary for heavier riders or more aggressive riding styles, while a softer spring is ideal for lighter riders.
  • Suspension Tune: Many riders opt to have their shock custom-tuned by a suspension specialist to fine-tune the compression and rebound settings to match their riding technique and terrain preferences.
  • Damper Upgrades: RockShox offers upgrade kits for the Deluxe Coil Ultimate that enhance the damping performance, including options for higher-end dampers that provide more control and adjustability.

Comparing the Deluxe Coil Ultimate with Similar Models

When considering the Deluxe Coil Ultimate rear shock, it’s important to compare it with other similar models to make an informed decision. The Fox DHX2 and Cane Creek Double Barrel Coil are two popular competitors.

  • Fox DHX2: Known for its excellent tuning options and smooth performance, the DHX2 offers a more refined feel but at a higher price point.
  • Cane Creek Double Barrel Coil: This shock is renowned for its dual-damping system, providing superior adjustability in both high and low-speed compression and rebound. However, it is often considered more complex to tune than the Deluxe Coil Ultimate.

The Deluxe Coil Ultimate strikes a balance between performance, ease of tuning, and price, making it an excellent choice for riders who want high performance without the complexity or cost of some other models.

Compatibility with Other Drivetrain Components

The Deluxe Coil Ultimate rear shock is designed to work seamlessly with most modern mountain bike drivetrains. It is compatible with a wide range of frame types and suspension designs. However, it’s essential to ensure that the shock’s specifications, such as eyelet size, stroke length, and shock travel, are compatible with your bike frame. Always check the frame manufacturer’s specifications before purchasing the shock to ensure compatibility.

For optimal performance, pairing the Deluxe Coil Ultimate with a high-quality drivetrain, such as SRAM X01 or Shimano XT, can provide a cohesive ride experience, with smooth shifting and responsive suspension action.