Step-by-Step Rear Shock Oil Change for SIDluxe Select+

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Maintaining your RockShox SIDluxe Select+ rear shock is crucial for optimal performance and longevity. One of the most important maintenance tasks is performing an oil change. This process ensures smooth suspension performance and extends the lifespan of your shock. In this guide, we will walk you through each step of performing an oil change for your SIDluxe Select+, from preparation to reassembly.

Tools Required

  • 5mm Allen wrench [paid link]
  • 10mm socket wrench
  • Torque wrench [paid link]
  • Flathead screwdriver
  • RockShox 0W-30 suspension oil (or as specified by the manufacturer)
  • Shock pump
  • Clean rags
  • Grease (preferably RockShox suspension grease)
  • Small container to drain oil
  • Seal grease
  • Suspension oil syringe
  • Soft brush (optional)

Preparing for the Oil Change

Before you begin, it’s important to gather all necessary tools and ensure you have a clean workspace. This will help avoid contamination of the shock and make the oil change process smoother.

  1. Remove the Rear Shock: Start by carefully removing the rear shock from the bike frame. Depending on your bike’s design, you may need to use a 5mm Allen wrench [paid link] to remove the bolts securing the shock in place. Keep track of any washers or bushings, as these may need to be replaced or cleaned.
  2. Clean the Shock: Before beginning any maintenance, clean the shock’s exterior with a soft rag or brush to remove dirt and debris. This prevents any contaminants from entering the shock during the oil change process.
  3. Place the Shock in a Stable Position: Lay the shock on a soft surface or use a shock stand to ensure it is stable during the oil change. It’s also a good idea to have a clean container ready to drain the old oil into.

Draining the Old Oil

The next step is to drain the old oil from the shock. Over time, suspension oil can degrade, leading to reduced performance.

  1. Loosen the Top Cap: Using a 10mm socket wrench, carefully remove the top cap of the shock. This will allow you to access the internal components and drain the oil.
  2. Drain the Old Oil: With the top cap removed, gently compress the shock to allow the old oil to drain into the container. You may need to rotate the shock slightly to ensure all the oil is released. Be patient, as it may take a few minutes to fully drain.
  3. Inspect for Debris: As the oil drains, inspect the shock’s internals for any signs of debris or contamination. If you notice any foreign particles, carefully clean the components with a clean rag.

Replacing the Oil

Now that the shock is drained, it’s time to replace the old oil with fresh suspension fluid.

  1. Add Fresh Suspension Oil: Using a syringe, carefully fill the shock with the recommended RockShox 0W-30 suspension oil. Check the SIDluxe Select+ manual for the exact oil volume specifications. Generally, around 200-250ml is required, but it’s always best to follow the manufacturer’s instructions.
  2. Check for Oil Levels: After filling the shock with oil, check the oil level to ensure it’s within the recommended range. If necessary, adjust the amount of oil by adding or draining it until the correct level is reached.

Reassembling the Shock

After filling the shock with fresh oil, you can begin the reassembly process. This step ensures that all components are properly secured and sealed.

  1. Replace the Top Cap: Secure the top cap back onto the shock and tighten it using your 10mm socket wrench. Be sure to apply the correct torque setting, which should be specified in the SIDluxe Select+ user manual. A common torque value for the top cap is 30-35 Nm.
  2. Check for Leaks: Once the top cap is secure, inspect the shock for any potential leaks. You can gently compress the shock and observe whether any oil begins to seep out. If there are leaks, double-check the top cap’s tightness and inspect the O-rings for damage.

Reinstalling the Shock on the Bike

After completing the oil change, you can now reinstall the shock onto your bike.

  1. Install the Shock Back onto the Frame: Position the shock back into its mounts on the bike frame. Tighten the bolts using a 5mm Allen wrench, ensuring they are torqued to the manufacturer’s recommended specifications.
  2. Pump the Shock: Before riding, use a shock pump to bring the air pressure to the correct level for your weight and riding style. Typically, the SIDluxe Select+ will have a recommended air pressure range, which you can find in the user manual or on the shock’s decal.
  3. Test the Suspension: After reinstalling the shock, perform a few test compressions to ensure the shock feels smooth and responsive. Check the suspension’s responsiveness to make sure it performs well across the full range of travel.

Troubleshooting Common Set-Up Issues

Even after completing an oil change, you may encounter some common issues with your SIDluxe Select+ rear shock. Here are a few troubleshooting tips to resolve them:

  1. Shock Feels Stiff or Sticky: If the shock feels stiff or sticky after an oil change, it may be due to improper oil volume or air trapped inside. Double-check the oil level and ensure no air bubbles are present. You can also perform a quick rebound adjustment to help smooth the shock’s movement.
  2. Oil Leaks: If you notice oil leaking from the shock after an oil change, check the top cap and the O-rings for any damage or wear. Replacing the O-rings and ensuring the top cap is properly torqued should resolve this issue.
  3. Suspension Not Responding Properly: If the suspension isn’t reacting as expected, it could be due to improper air pressure or incorrect oil levels. Verify the recommended air pressure and make sure the oil has been replaced with the proper type and amount.

Customizing and Optimizing Your SIDluxe Select+

To get the most out of your SIDluxe Select+, you may want to experiment with different oil viscosities, air pressures, or rebound settings. Here are a few optimization tips:

  • Experiment with Rebound Settings: Fine-tuning your rebound setting can help make the shock feel more responsive or controlled based on your riding style. A faster rebound may be suitable for aggressive riders, while a slower rebound may offer more stability for trail or cross-country riders.
  • Adjust Air Pressure: If you feel that the shock is too soft or too firm, adjust the air pressure accordingly. Keep in mind that the air pressure should match your weight and riding style for optimal performance.
  • Upgrade Seals and Bushings: If you frequently ride in harsh conditions or want to prolong the life of your shock, consider upgrading to higher-quality seals and bushings. This will help reduce wear and tear and improve the shock’s overall performance.

Comparing the SIDluxe Select+ with Other Models

When choosing a rear shock, it’s important to consider other models in the RockShox lineup and how they compare to the SIDluxe Select+. For example:

  • SIDluxe Select vs. SIDluxe Select+: The SIDluxe Select+ offers a higher level of adjustability and more advanced damper technology compared to the standard SIDluxe Select. Riders looking for more customization options and improved performance will benefit from the Select+ model.
  • SIDluxe Select+ vs. Super Deluxe: While the Super Deluxe offers a more robust option for enduro and downhill riders, the SIDluxe Select+ is better suited for cross-country and trail riders. The Super Deluxe provides more travel and a more durable design, but the SIDluxe Select+ is lighter and provides a more responsive feel for shorter travel needs.

Compatibility with Other Drivetrain Components

The SIDluxe Select+ rear shock is designed to work well with most modern cross-country and trail bike drivetrains. However, it’s important to ensure compatibility with your bike’s frame and other suspension components:

  • Frame Compatibility: Make sure that the shock’s eye-to-eye length and stroke are compatible with your bike’s frame. Using the wrong shock dimensions can cause poor suspension performance and even damage your frame.
  • Drivetrain Compatibility: The SIDluxe Select+ pairs well with a variety of drivetrain systems, whether you’re running SRAM or Shimano components. Just ensure that your bike frame can accommodate the shock’s mounting specifications, including the mounting hardware and the shock’s travel.

By following these steps and tips, you can ensure that your RockShox SIDluxe Select+ rear shock continues to deliver excellent performance throughout its life. Regular oil changes and proper maintenance are key to keeping your suspension smooth and responsive.