The DVO Opal Air [paid link] rear shock is a high-performance suspension component designed for riders who seek superior handling and control on rugged [paid link] trails. This guide will provide a detailed overview of the installation, adjustment, maintenance, troubleshooting, and customization of the Opal Air [paid link] rear shock. Whether you are installing a new unit or optimizing its performance, this guide will help you get the most out of your DVO Opal Air rear shock.
Tools Required
- 5mm Allen wrench [paid link]
- 8mm Allen wrench [paid link]
- Torque wrench [paid link] (measuring in Nm)
- Shock pump (with a pressure gauge)
- T30 Torx driver
- Grease
- Rags for cleaning
Installation of the Opal Air Rear Shock
The installation of the DVO Opal Air rear shock is relatively straightforward, but it requires careful attention to detail to ensure proper function and safety.
Step 1: Remove the Existing Shock
If you’re replacing an old shock, begin by removing the existing rear shock. Use a 5mm Allen wrench to remove the bolts securing the shock to the frame and linkage. Be sure to place any washers or spacers in a safe location as they may be reused for the new shock.
Step 2: Prepare the New Shock
Before installing the DVO Opal Air shock, make sure it is set up for your bike’s specific requirements. Check the shock’s pressure settings and make sure they align with the recommended values for your rider weight and riding style. Adjust the rebound and compression settings to their default positions to allow for initial testing.
Step 3: Install the Opal Air Shock
Align the shock’s eyelets with the mounting holes on your frame and linkage. Insert the bolts through the eyelets and use a 5mm Allen wrench to tighten the bolts. Ensure that the shock is properly centered and that there is no binding. Use a torque wrench [paid link] to tighten the bolts to the recommended torque values, which can typically be found in the shock’s manual.
Step 4: Set the Shock Pressure
Once the shock is installed, use a shock pump to adjust the air pressure to the recommended setting based on your weight. This is crucial for achieving optimal performance and ride comfort. Make sure to check the air pressure periodically to maintain the correct pressure level.
Step 5: Check for Smooth Function
Before taking your bike for a test ride, check the shock for smooth movement. Compress and release the shock by hand to verify it responds properly. If it feels stiff or unresponsive, you may need to adjust the air pressure or damping settings.
Adjustments for Performance Optimization
The DVO Opal Air rear shock is equipped with several adjustment features that allow you to fine-tune the suspension performance for different riding conditions.
Rebound Adjustment
The rebound adjustment controls how quickly the shock returns to its original position after compression. To adjust the rebound, locate the rebound dial at the bottom of the shock. Turning it clockwise will slow down the rebound, while turning it counterclockwise will speed it up. Start with a mid-range setting and adjust based on how the bike handles during descents and climbs.
Compression Adjustment
The compression adjuster allows you to control how the shock responds to bumps and impacts. The Opal Air shock features both high and low-speed compression adjustments. Low-speed compression affects the shock’s behavior under slower movements, such as when you’re seated. High-speed compression controls the shock’s response to rapid impacts, like big hits or drops. Adjust the high-speed compression for more aggressive terrain and the low-speed compression for a smoother ride.
Air Pressure
As mentioned earlier, adjusting the air pressure is essential for achieving the correct shock setup. Too little air pressure can cause the shock to bottom out, while too much can result in a harsh ride. The air pressure should be adjusted according to the rider’s weight and riding style. A good starting point is typically between 200-250 psi, but this will vary depending on your preferences.
Maintenance of the DVO Opal Air Rear Shock
Regular maintenance is key to ensuring that your DVO Opal Air rear shock continues to perform at its best.
Cleaning the Shock
It’s important to clean the shock regularly to prevent dirt and debris from affecting its performance. Use a damp rag to wipe down the shock after each ride, making sure to remove any dirt or mud. Avoid using harsh chemicals that could damage the shock’s seals. Check the shock’s stanchions for scratches or wear, as these can lead to leaks if not addressed.
Servicing the Shock
DVO recommends servicing the Opal Air shock every 50-100 hours of ride time, depending on conditions. This involves removing the shock from the frame, disassembling it, and replacing the seals, bushings, and oils. While you can perform basic maintenance yourself, it is recommended to have a professional mechanic perform a full service to ensure everything is in optimal condition.
Air Spring Maintenance
The air spring can lose pressure over time, so it’s essential to check it periodically. If the shock feels too soft or unresponsive, you may need to top up the air pressure. Always check the pressure before each ride to maintain consistent performance.
Troubleshooting Common Issues
While the DVO Opal Air rear shock is a high-quality component, issues can arise from time to time. Here are some common problems and how to address them.
Shock Bottoming Out
If the shock bottoms out too frequently, the air pressure may be too low. Use a shock pump to increase the air pressure and check the performance. If the problem persists, inspect the compression settings to make sure they are not too soft.
Poor Rebound Performance
If the rebound is too slow or too fast, adjust the rebound dial accordingly. If this does not fix the issue, inspect the shock for any dirt or debris in the rebound circuit. A lack of oil or worn seals could also affect rebound performance, requiring a full service.
Leaking Air
If you notice the shock losing air over time, inspect the valve and seals. A damaged valve or worn seal may cause air to leak. In this case, the shock will need to be serviced or the seals replaced.
Customization and Optimization
The DVO Opal Air rear shock offers several customization options to optimize its performance for specific riding styles.
Fine-Tuning for Cross-Country Riding
For cross-country riders, a stiffer shock setup with higher air pressure and increased high-speed compression damping will provide better pedaling efficiency. This setup minimizes energy loss when pedaling while still offering sufficient comfort on rough trails.
Fine-Tuning for Downhill Riding
Downhill riders may prefer a softer shock setup with lower air pressure and increased low-speed compression damping. This setup allows for more plushness and comfort when navigating steep descents and technical terrain, absorbing big impacts more effectively.
Adjusting for Different Terrain
Experiment with different settings depending on the terrain you ride most frequently. For smoother trails, a firmer setup with higher air pressure will be more efficient. For rougher, technical trails, lower air pressure and more plush damping will improve comfort and control.
Compatibility with Other Drivetrain Components
The DVO Opal Air rear shock is designed to be compatible with a wide range of mountain bike frames, but it’s essential to ensure compatibility with your bike’s other drivetrain components.
Mounting Standards
Ensure that the mounting hardware on the shock is compatible with your bike’s frame. The Opal Air uses standard mounting eyelets, so it will fit most modern mountain bike frames. However, it’s always a good idea to check the eyelet dimensions to avoid any compatibility issues.
Suspension Linkage Compatibility
If you are replacing an existing shock, make sure the new shock’s stroke length matches the original. The stroke length of the Opal Air shock is adjustable, but choosing the right stroke for your bike’s suspension linkage is crucial to maintaining proper geometry.
Conclusion
The DVO Opal Air rear shock is an excellent choice for riders looking to enhance their bike’s performance on challenging trails. By following the steps outlined in this guide, you can easily install, adjust, maintain, and optimize your Opal Air shock for the best possible ride. With regular maintenance and fine-tuning, you can ensure that your shock continues to perform at its peak [paid link] for many rides to come.