Extend the Life of Your ElevenSix Trunnion Rear Shock with These DIY Hacks

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The ElevenSix Trunnion [paid link] Rear Shock from Push Industries is a high-performance component designed for aggressive trail riding and enduro enthusiasts. Whether you’re a seasoned rider or someone new to mountain biking, keeping your shock in optimal condition is crucial for maintaining a smooth and responsive ride. In this guide, we’ll walk you through the installation, maintenance, and troubleshooting of the ElevenSix Trunnion [paid link] Rear Shock, ensuring that you can maximize its lifespan and performance.

Tools Required

Before diving into the procedures, here’s a list of tools and equipment you’ll need:

  • Torque Wrench [paid link]
  • Shock Pump
  • Allen Wrenches [paid link] (various sizes)
  • Grease
  • Bushing Press
  • Rags
  • Clean Water
  • Compressor (for air can)

Installing the ElevenSix Trunnion Rear Shock

Step-by-Step Installation Process

Installing your ElevenSix Trunnion Rear Shock properly is essential to ensure both safety and performance. Follow these steps carefully to achieve the best results:

  1. Remove the Old Shock (if applicable):
    • If you are replacing an old shock, start by removing it from the bike frame. Use the appropriate-sized Allen wrenches [paid link] to loosen the mounting bolts, and then carefully take the shock off the frame.
  2. Clean the Mounting Points:
    • Use a clean rag to wipe down the mounting points on the frame. It is important that these surfaces are free from dirt or debris to prevent any damage to the shock or the frame.
  3. Install the Trunnion Rear Shock:
    • Carefully align the shock with the mounting points. The trunnion mount should fit into the frame securely. Ensure the shock is oriented in the correct direction, as indicated by the manufacturer.
  4. Secure the Shock:
    • Insert the mounting bolts and tighten them with an Allen wrench [paid link]. Make sure to apply torque to the bolts according to the manufacturer’s specifications to avoid over-tightening, which could lead to frame damage or shock malfunction.
  5. Recheck the Fit:
    • Once the shock is mounted, check the fit to ensure there is no play or movement. If everything seems secure, proceed to the next step.
  6. Pump the Shock:
    • Use a shock pump to adjust the air pressure according to your weight and riding style. This step is crucial to achieving the desired feel from the shock. Make sure to check the recommended air pressure settings in the owner’s manual.

Maintaining the ElevenSix Trunnion Rear Shock

Regular maintenance is key to extending the life of your ElevenSix Trunnion Rear Shock. Here’s how to keep it in top shape:

Regular Inspection

  • Check for Leaks:
    • After each ride, inspect the shock for any signs of oil or air leaks. Leaks can indicate that seals are worn or damaged, which could lead to a loss of performance.
  • Inspect the Bushings:
    • The bushings should be checked regularly for wear. If they appear damaged or are producing unusual noises, they need to be replaced immediately.
  • Check for Sag:
    • If your bike starts feeling less responsive or you notice that the suspension sag isn’t as expected, it might be time to recheck the air pressure or damping settings.

Lubing and Cleaning

  • Clean the Shock:
    • After every ride, especially in muddy conditions, clean the shock with water and a soft cloth. Avoid using harsh chemicals that could damage the seals or internal components.
  • Lubricate the Mounts:
    • Apply a thin layer of grease to the shock mounting bolts to prevent corrosion and ensure smooth movement. Do not over-grease, as excess lubricant can attract dirt and debris.

Servicing the Shock

  • Regular Service Intervals:
    • Push Industries recommends servicing your ElevenSix Trunnion Rear Shock every 150-200 hours of riding. This includes replacing the oil and seals, as well as checking the internal components.
  • DIY Maintenance:
    • For more advanced users, you can perform some basic maintenance yourself, such as swapping out seals and oil. However, for a full rebuild or more complex issues, it’s recommended to send the shock to Push Industries or an authorized service center.

Troubleshooting Common Issues with the ElevenSix Trunnion Rear Shock

Issue 1: Shock Feels Too Stiff or Too Soft

  • Cause:
    • This is usually due to improper air pressure or incorrect shock settings for your riding style and weight.
  • Solution:
    • Recheck the air pressure with a shock pump and adjust it according to the manufacturer’s recommendations. You may also need to fine-tune the compression and rebound settings to better suit your preferences.

Issue 2: Excessive Noise Coming from the Shock

  • Cause:
    • Unusual noises may come from the bushings, mounting hardware, or the shock body itself.
  • Solution:
    • Inspect the bushings for wear and replace them if necessary. Check the mounting bolts and make sure they are tightened properly. Lubricating the shock mounts can also help reduce noise.

Issue 3: Loss of Performance or Leaks

  • Cause:
    • A decrease in performance or visible oil leaks could indicate that the seals are worn out or there is a loss of air pressure.
  • Solution:
    • Inspect the shock for any signs of oil leakage. If you spot any leaks, it is likely time to replace the seals or have the shock serviced. If the air pressure is too low, top it up with a shock pump.

Customizing and Optimizing the ElevenSix Trunnion Rear Shock for Better Performance

To extract the most from your ElevenSix Trunnion Rear Shock, there are several customization options you can explore:

Adjusting Compression and Rebound

  • Compression Adjustment:
    • The compression setting controls how quickly the shock compresses under force. For smoother trails, a softer compression is ideal, while stiffer compression settings can provide better control on technical descents.
  • Rebound Adjustment:
    • The rebound control affects how quickly the shock returns to its original position after compression. A slower rebound can improve control on rough terrain, while a faster rebound is better for smoother trails.

Air Pressure Tuning

  • Fine-tuning the air pressure to match your body weight and riding style is crucial. For aggressive riders, a higher air pressure may be beneficial, while lighter riders might benefit from lower pressures for increased comfort and performance.

Compatibility with Other Drivetrain Components

The ElevenSix Trunnion Rear Shock is compatible with a wide range of bikes, particularly those designed for aggressive trail and enduro riding. When installing the shock, it’s essential to ensure compatibility with the rest of your drivetrain components. While the shock itself doesn’t interact directly with the drivetrain, its performance can be influenced by the geometry of your bike and the suspension setup.

Key Considerations for Compatibility

  • Frame Compatibility:
    • Ensure that your bike’s frame is designed to accommodate the trunnion mount. The ElevenSix is ideal for bikes with modern suspension designs that support the trunnion mount standard.
  • Suspension Linkage:
    • Check that the shock is compatible with your bike’s suspension linkage to avoid unwanted geometry changes or interference during suspension travel.

Conclusion

The ElevenSix Trunnion Rear Shock is a high-performance piece of equipment that requires proper care and maintenance to ensure it continues to perform at its best. By following the installation steps, maintaining it regularly, and addressing common issues as they arise, you can significantly extend the lifespan of your shock. Customizing the shock settings will also help optimize your riding experience, making it easier to tackle any terrain with confidence.