Expert Opinions: Force XPLR eTap AXS Rear Derailleurs Reviewed

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The Force XPLR eTAP AXS [paid link] Rear Derailleur is a high-performance component designed for gravel and road bike riders who require precision, durability, and adaptability. Built with the latest technology, the Force XPLR eTap AXS offers exceptional shifting performance and is tailored for riders who demand seamless and efficient gear transitions in diverse terrains. In this detailed guide, we will cover everything you need to know about installing, adjusting, maintaining, and optimizing the Force XPLR eTap AXS rear derailleur. We will also troubleshoot common issues and provide a comparison with similar models to help you make an informed decision.

Tools Required

  • 2.5mm and 5mm hex wrenches
  • T25 Torx wrench
  • Torque wrench
  • Chain checker
  • Lubricant
  • Clean rags
  • Allen keys
  • Bike stand
  • eTap AXS Bluetooth adapter (for firmware updates)

Installation of the Force XPLR eTap AXS Rear Derailleur

Installing the Force XPLR eTap AXS rear derailleur requires precision, as improper installation can affect shifting performance. Follow these steps to ensure a correct setup:

  1. Prepare the bike:
    • Mount your bike on a stand to ensure easy access to the derailleur and drivetrain.
    • Remove any previous derailleur if necessary.
  2. Install the derailleur hanger:
    • Ensure the derailleur hanger is aligned properly and securely mounted to the bike frame. Check for any damage before proceeding.
  3. Attach the derailleur:
    • Using a 5mm hex wrench, secure the rear derailleur to the derailleur hanger.
    • Tighten the bolt to the recommended torque value (usually around 8-10 Nm).
  4. Install the AXS battery:
    • Insert the eTap AXS battery into the derailleur. The battery should click into place. Ensure it’s fully charged before use.
  5. Connect the derailleur to the AXS system:
    • Pair the derailleur with your AXS system via the AXS app. This will allow you to adjust settings and perform firmware updates if necessary.
  6. Install the chain:
    • Ensure your bike’s chain is the appropriate length. Use a chain checker to verify it’s not too long or short. A properly sized chain prevents skipping or rubbing on the derailleur.
  7. Route the cable and adjust the limit screws:
    • Although the Force XPLR eTap AXS is a wireless system, it requires proper limit screw adjustment to ensure it shifts smoothly across the cassette. Set the high and low limit screws to avoid chain drop.

Adjusting the Force XPLR eTap AXS Rear Derailleur

Once the Force XPLR eTap AXS rear derailleur is installed, you’ll need to fine-tune it for optimal performance.

Shifting Performance

  • Ensure your bike is on a stable surface before adjusting the rear derailleur.
  • Use the AXS app to perform a basic setup. The app will guide you through the shifting process and help adjust the derailleur.
  • Shift through all gears while monitoring the smoothness of the transition between cogs. If needed, make small adjustments to the high and low limit screws.

Fine-tuning the B-Screw

  • The B-screw controls the distance between the derailleur and the cassette. Adjust the screw to ensure the derailleur stays aligned and does not cause excessive noise.
  • For a smoother ride, ensure the derailleur cage maintains an appropriate distance from the largest cog.

Chain Length and Tension

  • The chain should have enough tension for precise shifting but should not be too tight. Use the chain checker to confirm chain wear and adjust as necessary. Ensure the derailleur cage is not overstretched when in the smallest gear.

Maintenance of the Force XPLR eTap AXS Rear Derailleur

Regular maintenance is essential to ensure the longevity of your SRAM Force XPLR eTap AXS rear derailleur. Here’s how you can maintain it:

Cleaning and Lubrication

  • Clean the derailleur after every ride, especially if you’ve been riding in muddy or wet conditions.
  • Wipe down the derailleur with a clean rag and use a degreaser if necessary. Pay special attention to the jockey wheels and the derailleur pulley, as these parts accumulate dirt.
  • Lubricate the pivot points sparingly to keep the derailleur functioning smoothly. Avoid over-lubricating, as excess lubricant can attract more dirt.

Battery Care

  • Periodically check the charge on the eTap AXS battery. It is recommended to charge the battery fully when not in use for extended periods.
  • If the battery performance decreases, try resetting the connection using the AXS app. A quick firmware update may resolve minor issues.

Inspecting the Derailleur Hanger

  • Check the derailleur hanger regularly for alignment issues. An incorrectly aligned hanger can cause poor shifting performance and potential damage to the derailleur.
  • Use a derailleur hanger alignment tool if necessary to straighten the hanger.

Troubleshooting Common Set-Up Issues

While the Force XPLR eTap AXS rear derailleur is designed for high performance, you may encounter a few issues during setup or maintenance. Here are some common problems and how to fix them:

Issue 1: Shifting Delays or Jumps

  • Cause: The derailleur may not be correctly aligned with the cassette.
  • Solution: Adjust the high and low limit screws to ensure the derailleur moves smoothly across all gears. You may also need to check the B-screw for proper tension.

Issue 2: Poor Battery Life

  • Cause: The battery may not be fully charged or may be malfunctioning.
  • Solution: Fully charge the battery and ensure it is properly installed. Check for firmware updates using the AXS app, as they can help improve battery performance.

Issue 3: Noisy Shifting

  • Cause: The chain may be too tight, or the derailleur may be misaligned.
  • Solution: Check the chain length and tension. Also, inspect the derailleur hanger alignment to make sure the derailleur is positioned correctly relative to the cassette.

Customization and Optimization for Better Performance

The SRAM Force XPLR eTap AXS rear derailleur is designed for a wide range of riders and conditions. To optimize your riding experience, consider the following:

1. Adjusting Gear Ratios

  • Customize your gear ratios for specific terrains by selecting the right cassette combination. This can help you achieve more efficient gearing for both climbing and descending.

2. Fine-tuning Shifting Sensitivity

  • Use the AXS app to adjust the shifting sensitivity according to your preferences. Whether you prefer fast, precise shifts or more gradual transitions, the app allows you to tailor the settings.

3. Ergonomic Setup

  • Consider adjusting the position of the shifters on your handlebars to ensure the best ergonomics for your riding style. Comfort and easy access to controls can significantly improve your riding experience.

Comparison with Similar Models

When comparing the Force XPLR eTap AXS to similar models, it stands out for its versatility and compatibility with gravel and road bike setups. Here’s a quick comparison with the SRAM Rival eTap AXS and Shimano GRX Di2:

  • SRAM Force XPLR eTap AXS: Best suited for gravel and mixed-terrain bikes, offering precise electronic shifting and advanced technology. It is more lightweight and offers better performance in rough conditions.
  • SRAM Rival eTap AXS: Offers similar technology but at a more affordable price point. It is heavier than the Force XPLR and is better suited for riders on a budget.
  • Shimano GRX Di2: Known for its robustness in gravel cycling, the Shimano GRX Di2 offers excellent shifting precision but lacks the smooth integration of the AXS ecosystem.

The Force XPLR eTap AXS is ideal for riders looking for top-tier performance, excellent battery life, and an easy-to-use wireless shifting system.

Understanding Compatibility with Other Drivetrain Components

The Force XPLR eTap AXS rear derailleur is designed to work seamlessly with SRAM’s eTap AXS system. It is compatible with most SRAM AXS 12-speed cassettes and cranks. However, it’s important to ensure compatibility when pairing it with other drivetrain components, particularly the shifters, chainrings, and cranks.

  • The derailleur works with all SRAM AXS shifters, ensuring smooth and precise shifting across a variety of cassettes and gear combinations.
  • For optimal performance, it is recommended to use the Force XPLR eTap AXS with a compatible SRAM AXS chain and cassette.

By ensuring that your bike’s drivetrain components are compatible with the Force XPLR eTap AXS, you will get the most out of its advanced technology and shifting performance.