Is the Super Deluxe Coil Ultimate the Best Rear Shock for Mountain Bikes?

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The RockShox Super Deluxe Coil Ultimate [paid link] is a rear shock designed for serious mountain bikers seeking optimal suspension performance. Whether you’re riding technical trails, tackling steep descents, or climbing demanding hills, this rear shock offers an advanced level of comfort, control, and precision. But is it the best option for mountain bikes? In this article, we’ll explore the key features of the Super Deluxe Coil Ultimate [paid link], including its installation, adjustment, maintenance, and how it compares with similar models in the market. We’ll also provide insights into troubleshooting common setup issues and tips for optimizing the shock for maximum performance.

Features of the Super Deluxe Coil Ultimate

The Super Deluxe Coil Ultimate [paid link] offers several standout features that make it highly regarded in the mountain biking community. It’s designed with the rider’s comfort and performance in mind, combining superior shock absorption and adjustability.

  1. Coil Spring Design: The Super Deluxe Coil Ultimate [paid link] uses a coil spring rather than an air spring, which provides a more consistent feel, particularly for heavier riders or those seeking plush, consistent suspension performance over rough terrain.
  2. DebonAir+ Technology: This technology enhances small bump sensitivity, offering a more responsive feel and improving the shock’s overall performance. The coil design further complements this with excellent mid-stroke support and bottom-out resistance.
  3. Rebound and Compression Adjustments: Riders can fine-tune the rebound and compression settings, enabling a personalized ride feel tailored to their specific riding style and terrain.
  4. Enduro-Focused Durability: Built for aggressive riders, the shock is designed to handle the rigors of enduro and downhill riding, with high-end seals and a robust chassis that can withstand impacts and extreme conditions.

Installation of the Super Deluxe Coil Ultimate

Installing the Super Deluxe Coil Ultimate on your mountain bike is straightforward, but it requires careful attention to detail. Ensure that you have the correct tools and the proper setup for the installation process.

Tools Required:

  • 8mm Allen wrench [paid link]
  • Torque wrench [paid link] (with a range of 0-10 Nm)
  • Shock pump (for tuning)
  • Coil spring tool (optional for replacing or adjusting spring)

Installation Steps:

  1. Remove the Old Shock: If replacing an old shock, carefully remove the bolts securing it to the frame. Use an 8mm Allen wrench [paid link] to loosen and remove the bolts.
  2. Prepare the New Shock: Before installing the Super Deluxe Coil Ultimate, make sure it’s fitted with the correct coil spring for your weight and riding style. Adjust the spring rate if necessary using a coil spring tool.
  3. Mount the Shock: Align the shock’s mounting hardware with the frame’s shock mount points. Slide the shock into place, ensuring the bushings are seated correctly.
  4. Secure the Shock: Tighten the bolts using a torque wrench [paid link] to the recommended torque specification (typically 8-10 Nm). Ensure the shock is securely fastened and that there’s no excessive play.
  5. Adjust Rebound and Compression: Set the rebound and compression settings to their recommended starting points, based on your riding style. Use a shock pump to set the proper pressure in the air chamber (if applicable).
  6. Check for Clearance: After installation, check for any clearance issues. Make sure the shock does not rub against the frame or other components during compression.

Adjusting the Super Deluxe Coil Ultimate

One of the major benefits of the Super Deluxe Coil Ultimate is its fine-tuning options. Proper adjustment can significantly improve your bike’s suspension performance.

Compression Settings:

  1. Low-Speed Compression: Adjust this setting to control how the shock responds to small bumps and rough terrain. Start with the recommended middle setting and adjust in small increments to find the optimal balance between plushness and control.
  2. High-Speed Compression: Use this adjustment to fine-tune the shock for big impacts, like drops or aggressive landings. The high-speed compression controls how the shock responds to rapid movements, and the ideal setting will depend on your riding style and the terrain.

Rebound Adjustment:

  1. Set Rebound to Suit Rider Weight: The rebound setting controls how quickly the shock returns to its original position after compressing. For heavier riders or those looking for more control, a slower rebound setting is ideal. Lighter riders may prefer a quicker rebound.
  2. Fine-Tuning Rebound: Begin with a mid-range setting and adjust based on feedback during your rides. If the bike feels “bouncy” or “poppy,” slow down the rebound. If it feels too sluggish, speed it up.

Spring Tuning:

  1. Select the Correct Spring Rate: The coil spring should match your weight and riding style. If you bottom out too often, consider increasing the spring rate for more support. Conversely, a softer spring may be suitable for lighter riders or smoother terrain.
  2. Check Sag: Sag is the amount the shock compresses under your body weight. Aim for around 25-30% sag for most mountain bikers. Adjust the spring preload if necessary to achieve this.

Troubleshooting Common Set-Up Issues

Despite its advanced features, some riders may experience setup issues with the Super Deluxe Coil Ultimate. Here are some common problems and their solutions:

Shock Bottoming Out:

  • Possible Causes: Too soft a spring or incorrect compression settings.
  • Solution: Increase the spring rate or adjust the compression settings to provide more resistance. Ensure that your sag is within the recommended range.

Loss of Rebound Control:

  • Possible Causes: Low oil levels or excessive rebound speed.
  • Solution: Check the shock oil level and top it up if necessary. Adjust the rebound setting to ensure the shock returns at the correct speed.

Poor Small-Bump Sensitivity:

  • Possible Causes: Incorrect air pressure (for models with air springs) or inadequate compression settings.
  • Solution: Adjust the low-speed compression settings to enhance small-bump sensitivity. Ensure the shock is properly tuned for your riding conditions.

Customizing for Optimal Performance

Customizing your Super Deluxe Coil Ultimate shock can take your bike’s performance to the next level. Here are some recommendations for optimal tuning:

  1. Fine-Tune Compression: Riders who frequently tackle technical, rocky terrain will benefit from a firmer compression setting to maintain control. For smoother trails, a softer setting may provide better comfort and traction.
  2. Adjust Spring Rate: If you’re a rider who prefers more support for aggressive descents, consider opting for a stiffer spring rate. For lighter riders or those on less aggressive trails, a softer spring will offer a smoother ride.
  3. Rebound Settings for Different Trails: On faster trails or during long climbs, a quicker rebound may enhance stability and comfort. For downhill sections with heavy impacts, a slower rebound will help absorb the shocks more efficiently.

Comparison with Similar Models

When comparing the Super Deluxe Coil Ultimate to other rear shocks, it’s important to consider its coil spring design and performance features. Here’s how it stacks up against similar models:

  1. Fox DHX2 Coil: The DHX2 is another popular coil shock, offering similar performance features with a focus on downhill riders. While both shocks offer excellent performance, the Super Deluxe Coil Ultimate is slightly more adjustable, with more precise compression and rebound adjustments.
  2. RockShox Super Deluxe Air: The Super Deluxe Air is a lighter alternative with an air spring rather than a coil. It offers excellent responsiveness but may not provide the same consistent performance on rough, aggressive terrain as the coil version.
  3. Ohlins TTX22M: This shock is also highly regarded for its durability and fine-tuning options. However, it’s typically more expensive than the Super Deluxe Coil Ultimate and may be overkill for riders who don’t need the ultimate performance in extreme conditions.

Compatibility with Other Drivetrain Components

The Super Deluxe Coil Ultimate is compatible with a wide range of mountain bike frames, but it’s essential to ensure that the shock is compatible with your bike’s other components, especially the drivetrain. When selecting a shock, consider factors such as:

  • Shock Mounting Hardware: Ensure that the shock’s mounting hardware matches the frame’s shock mounts.
  • Wheel Size Compatibility: The shock should be suitable for your bike’s wheel size. Check the shock’s specifications to confirm compatibility with your bike’s geometry.
  • Frame Geometry: The shock’s stroke length and eye-to-eye length must align with your frame’s design for optimal performance.

In conclusion, the Super Deluxe Coil Ultimate rear shock is an excellent choice for mountain bikers seeking ultimate suspension performance, adjustability, and durability. It excels in demanding conditions, offering a highly customizable ride that can be fine-tuned for a variety of terrains and riding styles. While it may not be the best option for every rider, it’s certainly one of the top contenders for aggressive riders and those who prioritize precision in their suspension setup.