Upgrading Your Suspension with Monarch RT3 Rear Shocks

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The RockShox Monarch RT3 Rear Shock offers an excellent combination of performance, adjustability, and comfort, making it an ideal choice for riders who want to enhance their suspension system. Whether you’re upgrading your current setup or replacing an old shock, this guide will take you through the process of installation, adjustment, and maintenance for optimal performance. We’ll also discuss troubleshooting common issues, customization options, and how the Monarch RT3 compares to other similar models in the market.

Installation of the Monarch RT3 Rear Shock

Proper installation is crucial to ensure your Monarch RT3 operates at its peak potential. Follow these steps carefully for a seamless setup.

Step 1: Remove the Existing Shock

  • Use the appropriate tools to remove the old shock. Most likely, this will involve using a socket wrench to loosen the bolts securing the shock to the frame and the swingarm.
  • Take note of any spacers or washers that may be used between the shock and the frame, as these will need to be transferred to the new shock.

Step 2: Preparing the Monarch RT3 Rear Shock

  • Check the specifications of the Monarch RT3 shock to ensure it is the correct size for your bike’s frame and swingarm.
  • Confirm that the shock has been set up with the proper air pressure for your weight. If not, adjust the pressure using a shock pump.

Step 3: Install the Shock

  • Position the Monarch RT3 into the mount on your bike frame and align the eyelets with the mounting holes on the frame and swingarm.
  • Insert the bolts through the shock eyelets and tighten them with a torque wrench [paid link] to the manufacturer’s recommended specifications (usually found in the shock’s manual).
  • Double-check the tightness of the bolts to ensure the shock is securely mounted and does not have any play.

Step 4: Re-check for Compatibility

  • Ensure that the shock is not in contact with the frame or other components when the bike is in use. There should be enough clearance for full compression and rebound movement.

Adjusting the Monarch RT3 Rear Shock

The Monarch RT3 comes with several adjustment features that allow you to fine-tune the shock for your specific needs. These adjustments include compression, rebound, and the external adjustment of the lockout function.

Compression Adjustment

  • The Monarch RT3 offers a 3-position compression adjustment lever (Open, Pedal, and Lock).
    • Open: Full suspension travel, ideal for rough terrain.
    • Pedal: Slight compression to reduce bobbing while pedaling, perfect for smoother trails.
    • Lock: Maximum compression, ideal for climbing or flat terrain.
  • To adjust, simply turn the lever to the desired setting while the shock is on the bike.

Rebound Adjustment

  • The rebound adjuster controls the speed at which the shock returns after compression.
  • Turning the rebound knob clockwise will slow down the rebound, while turning it counterclockwise will speed it up.
  • Start with the default middle setting and fine-tune it based on your riding style. A faster rebound is better for smoother trails, while slower rebound is more effective for rougher terrain.

Air Pressure Adjustment

  • Adjust the air pressure in the Monarch RT3 according to your body weight and riding style. Typically, you can find the recommended pressure range in the user manual or on the shock itself.
  • Use a shock pump to increase or decrease the air pressure. Make sure the shock is properly inflated to avoid bottoming out or excessive sag.

Maintenance of the Monarch RT3 Rear Shock

To maintain the Monarch RT3’s performance, it’s essential to follow a regular maintenance schedule. Proper care will extend the lifespan of your shock and keep it working smoothly.

Cleaning

  • After each ride, clean the shock with mild soap and water. Avoid using high-pressure water hoses, as they can force water and dirt into the shock seals.
  • Use a soft brush to clean any dirt from the shock’s body and eyelets. Ensure the rebound and compression dials are free from dirt and grime.

Lubrication

  • Lubricate the shock’s seals every few rides using a suitable suspension grease. This helps keep the seals functioning properly and prevents wear.
  • Be cautious not to apply too much grease, as it can attract dirt, which can damage the seals over time.

Air Pressure Checks

  • Regularly check the air pressure in the Monarch RT3. Changes in air pressure can affect the shock’s performance, leading to sag or reduced travel.
  • If you notice any loss in air pressure, inspect the shock for leaks, paying particular attention to the Schrader valve.

Servicing

  • RockShox recommends servicing the Monarch RT3 rear shock annually or after every 200-300 hours of riding, whichever comes first.
  • During the service, the shock will be disassembled, cleaned, and the seals will be replaced as necessary. If you’re not comfortable performing this service yourself, it’s recommended to take your shock to a certified technician.

Troubleshooting Common Issues with the Monarch RT3 Rear Shock

While the Monarch RT3 is a reliable component, it may occasionally encounter problems. Here are common issues and how to resolve them.

Loss of Air Pressure

  • Cause: Air can leak through the Schrader valve or seals over time.
  • Solution: Refill the shock with the recommended air pressure. If the shock loses air rapidly, inspect the valve and seals for damage. A technician may be needed if the seals are worn out.

Excessive Sag

  • Cause: Insufficient air pressure or incorrect rebound settings.
  • Solution: Increase the air pressure to the recommended level for your weight. Adjust the rebound to ensure it’s not too slow, as this can contribute to excessive sag.

No Suspension Movement

  • Cause: The shock may be locked out or set to a high compression setting.
  • Solution: Check the compression settings and switch to a softer setting if needed. Ensure the shock’s lockout function is not engaged.

Customizing the Monarch RT3 for Better Performance

To further enhance the performance of the Monarch RT3, consider the following customization options based on your riding style and terrain preferences.

Adjusting Air Volume Spacers

  • Adding or removing air volume spacers can change the shock’s spring curve, allowing for a more progressive or linear feel.
  • For aggressive riders or rough terrain, more spacers will provide a progressive feel, preventing bottoming out. For cross-country or trail riders, fewer spacers provide a more linear response.

Fine-Tuning Compression and Rebound

  • Experiment with different compression and rebound settings to match the terrain you’re riding. Softer settings are better for rough trails, while firmer settings are suitable for smoother terrain and climbing.

Comparing the Monarch RT3 with Other Rear Shocks

When choosing a rear shock, it’s important to compare the Monarch RT3 with similar models to ensure it suits your needs. Compared to other rear shocks in the RockShox range, such as the Deluxe or Super Deluxe, the Monarch RT3 offers excellent value with solid performance for cross-country and trail riding.

  • Monarch RT3 vs. Deluxe RT3: The Deluxe RT3 is slightly more progressive and features a more advanced damper system, offering better performance on more aggressive terrain. However, the Monarch RT3 is a more affordable option for lighter riders or those riding on less demanding trails.
  • Monarch RT3 vs. Super Deluxe: The Super Deluxe is designed for enduro and downhill riding, offering superior shock absorption and more precise adjustments. The Monarch RT3, while not as aggressive, is an ideal choice for riders focused on efficiency and lighter trails.

Understanding Compatibility with Other Drivetrain Components

The Monarch RT3 rear shock is compatible with a wide range of bikes, especially those designed for cross-country, trail, and light enduro riding. When upgrading to the Monarch RT3, ensure that your bike’s frame can accommodate the shock’s specifications, including eyelet size, shock stroke, and overall length.

Additionally, ensure that the shock works well with your drivetrain components, particularly in terms of suspension linkage. An improperly fitted shock may cause performance issues or interfere with pedaling efficiency.