The SR Suntour Axon Werx [paid link] suspension fork is a high-performance component designed for cross-country and trail riders. Known for its light weight, efficiency, and solid damping, the Axon Werx [paid link] provides exceptional control and comfort during rides. To ensure you get the best out of this fork, regular adjustments and maintenance are crucial. This guide will walk you through essential steps for installing, adjusting, and maintaining the Axon Werx suspension fork, troubleshooting common setup issues, and optimizing its performance.
Installation of the Axon Werx Suspension Fork
Installing the SR Suntour Axon Werx suspension fork requires attention to detail to ensure a smooth and secure setup. Follow these steps to properly install the fork on your bike.
- Remove the Old Fork: Start by loosening the headset cap and removing the stem bolts. If the fork uses a star nut, remove it carefully using a hammer and drift tool. Once the stem and headset cap are off, slide the old fork out of the frame.
- Install the Axon Werx Fork: Slide the Axon Werx fork into the headset and align it with the frame’s head tube. Ensure that the steerer tube is the correct length; if it’s too long, trim it using a pipe cutter.
- Position the Stem: Once the fork is in place, position your stem over the steerer tube. Install the headset cap and tighten the stem bolts to the manufacturer’s torque specification.
- Adjust the Headset: Tighten the headset cap bolt to set the correct preload on the bearings. The fork should rotate smoothly without any play. Tighten the stem bolts once you’ve set the headset correctly.
- Recheck Alignment: Ensure the front wheel is properly aligned with the fork and that the brake rotor (if applicable) is centered. Tighten the brake caliper bolts, making sure the rotor doesn’t rub against the pads.
Axon Werx Fork Adjustment Guide
Proper adjustments can enhance the performance of the Axon Werx suspension fork, making it more responsive and tailored to your riding style. Here are the key adjustments to consider.
Air Pressure
The Axon Werx uses an air spring system, and the correct air pressure is critical for optimal performance. Adjusting the air pressure helps in controlling the fork’s travel and responsiveness.
- Set Initial Air Pressure: Use a shock pump to adjust the air pressure in the fork’s positive air chamber. The ideal pressure depends on the rider’s weight. Start with a recommended air pressure based on your weight, which can be found in the fork’s user manual or SR Suntour’s guidelines.
- Fine-tune Pressure for Ride Feel: If you experience bottoming out (fork compressing too easily), increase the air pressure. If the fork feels too stiff, lower the air pressure slightly. A good rule of thumb is to have about 20-30% of the fork’s travel remaining after your typical riding setup.
Compression Damping
Compression damping controls how the fork behaves under hard impacts and at the start of the travel. Adjusting the compression allows you to fine-tune how much the fork resists compression under load.
- Adjust Compression Settings: Use the fork’s compression knob (located at the top of the right leg of the fork) to set the desired damping level. Turn it clockwise to increase resistance or counterclockwise to decrease it.
- Fine-tune for Your Terrain: For smoother trails, reduce the compression damping to maximize comfort and compliance. For rougher, more technical terrain, increase the compression damping to reduce fork dive and improve control.
Rebound Damping
Rebound damping controls how quickly the fork returns to its original position after compression. Proper adjustment ensures the fork doesn’t rebound too quickly or too slowly.
- Adjust Rebound Speed: The rebound knob is typically located at the bottom of the left fork leg. Turn it clockwise to slow down the rebound or counterclockwise to speed it up.
- Fine-tune Based on Terrain: For rougher terrain, a slower rebound may help keep the front wheel in contact with the ground. For smoother trails, a faster rebound might feel more responsive.
Common Troubleshooting Tips
Even with the best setups, you may encounter some common issues with your Axon Werx fork. Here’s how to troubleshoot and fix them.
1. Fork Bottoming Out Too Easily
If your fork is bottoming out too frequently, it might be due to insufficient air pressure or excessive compression damping.
- Solution: Increase the air pressure to ensure the fork has enough resistance. If the pressure is already correct, try adjusting the compression damping for firmer support during high-impact hits.
2. Too Much Fork Dive
Fork dive occurs when the suspension compresses too easily under braking or aggressive riding.
- Solution: Adjust the compression damping to a firmer setting to prevent excessive dive. Increasing the air pressure slightly can also help, but make sure it’s within the recommended range.
3. Lack of Small-Bump Sensitivity
If you’re not feeling small bumps or the fork isn’t absorbing small trail irregularities, it might be due to insufficient low-speed compression damping or incorrect air pressure.
- Solution: Lower the compression damping setting to allow more small-bump sensitivity. Also, verify that your air pressure is appropriate for your weight and riding style.
4. Noisy Fork
If you hear popping or creaking noises from the fork, it may be due to insufficient lubrication or a loose headset.
- Solution: Ensure the headset is properly adjusted with no play. Check the steerer tube for proper lubrication and apply some grease if necessary.
Optimizing Axon Werx Performance
To ensure your Axon Werx suspension fork performs at its best, consider the following optimization tips:
1. Customizing Air Pressure for Weight
Fine-tuning the air pressure according to your weight and riding style will allow you to balance comfort and control. Lighter riders may need less air pressure, while heavier riders may need to increase it. Keep track of changes and test different settings to find the perfect balance.
2. Using Volume Spacers
For those who want to limit the fork’s travel, SR Suntour offers volume spacers that reduce the air volume inside the fork. Installing these spacers increases the spring rate, allowing for better bottom-out resistance. This can be particularly beneficial for riders who tackle aggressive trails.
3. Maintaining Consistent Lubrication
Regular maintenance of the fork’s seals and lubricating the stanchions ensures smooth operation and prevents premature wear. Apply a thin layer of suspension oil or grease to the fork’s seals every few rides, depending on trail conditions.
Comparing Axon Werx with Other Suspension Forks
When comparing the Axon Werx to other suspension forks in the same category, such as the RockShox Reba or Fox 32, the Axon Werx stands out due to its light weight, efficiency, and reasonable price point. While it may not have as many advanced tuning options as higher-end models, it offers great value for riders who prioritize weight savings and reliability.
- Axon Werx vs. RockShox Reba: Both forks are lightweight and designed for cross-country riding, but the Axon Werx offers more adjustable features at a lower price.
- Axon Werx vs. Fox 32: The Fox 32 offers superior damping and a wider range of adjustability, but it comes at a significantly higher price point. For riders looking for budget-friendly, reliable performance, the Axon Werx is a great option.
Compatibility with Drivetrain Components
The Axon Werx suspension fork is compatible with most modern drivetrain systems, but always verify that the fork’s steerer tube diameter matches your headset. Additionally, ensure that the brake rotor size is compatible with your fork’s brake mount standards (e.g., Post Mount or IS). This ensures smooth integration with your bike’s other components, enhancing overall performance.
Properly adjusted and maintained, the Axon Werx suspension fork can significantly improve your ride experience. Regular adjustments, thoughtful customization, and diligent maintenance will allow you to get the best performance out of this high-quality suspension fork.