The SRAM Force XPLR eTap AXS [paid link] Rear Derailleur is a popular choice for gravel riders looking for a reliable, high-performance drivetrain component. Designed specifically for gravel riding and off-road cycling, it offers a unique blend of performance, durability, and customization options. In this guide, we will explore the installation, adjustment, maintenance, troubleshooting, and performance optimization of the Force XPLR eTap AXS Rear Derailleur.

Installation of the Force XPLR eTap AXS Rear Derailleur

Installing the SRAM Force XPLR eTap AXS Rear Derailleur is straightforward, but it’s crucial to follow the correct steps for proper setup. Here’s a step-by-step guide to ensure a smooth installation process:

1. Prepare the Bike:
   • Remove the rear wheel and clean the rear triangle of the frame.
   • Ensure that the bike is stable on a work stand to make installation easier.
2. Install the AXS Battery:
   • The eTap AXS derailleur is wireless, so begin by installing the AXS battery onto the derailleur. Use the provided screws to securely attach the battery.
3. Mount the Derailleur:
   • Attach the derailleur to the hanger using the provided bolt. Tighten it securely, ensuring the derailleur is parallel to the frame for smooth shifting performance.
4. Install the Chain:
   • Pass the chain through the derailleur, making sure it is properly threaded through the jockey wheels.
5. Attach the Rear Shifter:
   • Install the eTap AXS shifter onto the handlebar. Ensure it is positioned in a way that allows easy access while riding.
6. Connect the AXS System:
   • Using the SRAM AXS app, pair the derailleur and the shifter. Follow the app’s instructions to ensure the system is connected correctly.
7. Check the Alignment:
   • Spin the cranks to check the derailleur’s alignment. Ensure it is not rubbing against the chain or other components.

Adjustment of the Force XPLR eTap AXS Rear Derailleur

Once installed, it’s essential to make minor adjustments to ensure the derailleur is functioning optimally. Here’s how to adjust the Force XPLR eTap AXS Rear Derailleur:

1. Trim the Chain Length:
   • A properly sized chain is crucial for smooth shifting. Trim the chain so it has no slack, but ensure there is enough slack when the derailleur is on the smallest cog.
2. Adjust the B-Screw:
   • The B-screw controls the distance between the derailleur’s jockey wheels and the cassette. Adjust the B-screw to ensure there is adequate clearance while preventing the derailleur from rubbing against the cogs.
3. Fine-Tune the Shifter:
   • Using the AXS app, fine-tune the shifting performance. Ensure the derailleur moves smoothly through all gears and that there is no hesitation during shifting.
4. Test the Shifting Performance:
   • Take the bike for a test ride to ensure the shifting is precise and quick. Make any minor adjustments to fine-tune the performance.

Maintenance of the Force XPLR eTap AXS Rear Derailleur

To keep the SRAM Force XPLR eTap AXS Rear Derailleur running smoothly, regular maintenance is necessary. Here are the key maintenance tasks:

1. Cleaning:
   • Regularly clean the derailleur and the surrounding area to remove dirt and grime that could affect shifting performance. Use a soft brush and mild detergent to clean the components.
2. Inspect the Battery:
   • Check the AXS battery regularly to ensure it is charged. A fully charged battery will prevent shifting issues during rides.
3. Check for Wear:
   • Inspect the jockey wheels for any signs of wear. If the wheels appear worn, replace them to maintain optimal shifting performance.
4. Lubricate the Chain:
   • A well-lubricated chain reduces friction and improves shifting. Ensure the chain is clean and properly lubricated, especially after riding in wet or muddy conditions.
5. Check Derailleur Hanger Alignment:
   • Over time, the derailleur hanger can become misaligned. Use a derailleur hanger alignment tool to ensure that the hanger is straight, which will help prevent shifting issues.

Troubleshooting Common Set-Up Issues

Even with high-quality components like the SRAM Force XPLR eTap AXS Rear Derailleur, issues can arise during setup. Here’s how to troubleshoot common problems:

1. Shifting Delays or Hesitation:
   • If you experience delayed shifting, it could be due to low battery power or improper pairing between the derailleur and shifter. Ensure the battery is charged, and check the AXS app to re-pair the components if necessary.
2. Chain Drop or Skipping:
   • If the chain drops or skips, it could be a result of a misaligned derailleur or an incorrectly sized chain. Recheck the derailleur hanger alignment and adjust the chain length as needed.
3. Noisy Shifting:
   • Noisy shifting can occur if the derailleur is too close to the cassette or if the jockey wheels are not properly lubricated. Adjust the B-screw and lubricate the jockey wheels for smoother performance.
4. Erratic Shifting:
   • If shifting seems erratic or inconsistent, it could be due to issues with the AXS system connection. Use the AXS app to reset the connection and ensure the derailleur is properly calibrated.

Customization and Optimization for Better Performance

To get the most out of the SRAM Force XPLR eTap AXS Rear Derailleur, there are several customization options that can enhance its performance, especially for gravel riding:

1. Wide-Range Cassette:
   • Consider pairing the derailleur with a wide-range cassette to improve gear range, especially when riding in varied gravel conditions. This allows for smoother transitions between gears on steep climbs and fast descents.
2. Chainring Size:
   • Customizing your chainring size can further optimize your gearing. A smaller chainring may be beneficial for technical terrain, while a larger one could improve efficiency on flat sections.
3. Tuning the AXS App:
   • The AXS app allows for fine-tuning the derailleur’s shifting behavior. Experiment with the settings to find the perfect balance between speed and accuracy for your riding style.
4. Derailleur Positioning:
   • The Force XPLR eTap AXS Rear Derailleur can be adjusted for improved performance on gravel. Slight changes in the derailleur’s position can reduce drag and enhance shifting speed.

Comparison with Similar Models

While the SRAM Force XPLR eTap AXS Rear Derailleur is an excellent choice for gravel riders, it’s important to understand how it compares to similar models. Here’s a quick comparison:

• SRAM Red eTap AXS Rear Derailleur:
  The SRAM Red model is lighter and more performance-focused, designed for road racing rather than gravel riding. It features similar wireless technology but is better suited for smoother, paved surfaces.
• Shimano GRX Di2 Rear Derailleur:
  Shimano’s GRX Di2 is another popular choice for gravel bikes. The GRX features a more robust build with a focus on durability in rough terrain. However, it lacks the wireless connectivity and customization options of the SRAM Force XPLR eTap AXS.
• SRAM Rival eTap AXS Rear Derailleur:
  The Rival eTap AXS is a more affordable option compared to the Force XPLR, but it offers slightly less performance and weight savings. It still benefits from the same wireless technology and precise shifting.

Understanding Compatibility with Other Drivetrain Components

The SRAM Force XPLR eTap AXS Rear Derailleur is designed to work seamlessly with SRAM’s AXS components, ensuring compatibility with a range of drivetrains. However, when mixing and matching with other components, there are a few key considerations:

1. AXS Groupsets:
   • For the best performance, pair the derailleur with other AXS components, such as the eTap shifters and AXS crankset. This ensures smooth and efficient shifting, as all components are optimized for wireless communication.
2. Wide-Range Cassettes:
   • The Force XPLR is compatible with wide-range cassettes, which makes it an excellent choice for gravel bikes that require a broad gear range.
3. Chain Compatibility:
   • The Force XPLR uses a specific chain designed for eTap AXS drivetrains. Ensure that your chain is compatible to avoid issues with shifting accuracy and chain wear.

The SRAM Force XPLR eTap AXS Rear Derailleur is a versatile, high-performance component that provides gravel riders with precise shifting, durability, and easy customization options. With proper installation, adjustment, and maintenance, this rear derailleur can significantly enhance your gravel riding experience.