The Öhlins TTX2Air rear shock is a high-performance component designed for riders who demand precision, control, and adaptability in varied conditions. This guide will provide you with detailed instructions on how to install, adjust, maintain, and troubleshoot the TTX2Air shock. We will also dive into optimization techniques for enhanced performance and discuss compatibility with other drivetrain components. By the end, you’ll have the knowledge to maximize the performance of your TTX2Air rear shock.

Installation of the Öhlins TTX2Air Rear Shock

The installation of the Öhlins TTX2Air rear shock is relatively straightforward, but it’s important to follow precise steps to ensure correct fitment and operation.

1. Preparation

Before starting, make sure your bike is on a stable surface, and all necessary tools are within reach. Verify that the shock size is compatible with your bike’s frame.

2. Tools Required

• 5mm and 6mm Allen wrenches [paid link]
• Torque wrench [paid link] (specific to your bike’s specifications)
• Shock pump (to set pressure)
• Rags or cloth to clean mounting areas

3. Mounting the Shock

• Begin by removing the existing shock from your bike’s frame.
• Clean the mounting points on the frame to remove any dirt or debris.
• Place the TTX2Air shock onto the mounting points and insert the bolts, ensuring the shock is aligned properly.
• Tighten the bolts using the appropriate torque specifications (refer to your bike’s manual for the correct torque settings).
• Ensure the shock is securely attached to avoid any movement or instability.

4. Setting the Air Pressure

• The Öhlins TTX2Air requires air pressure to operate correctly. Use a shock pump to adjust the air pressure according to your weight and riding style.
• Begin with a base pressure, typically recommended in the product manual, and make adjustments based on feedback from your ride.
• Check the air pressure periodically to maintain consistent performance.

Adjustment of the TTX2Air Rear Shock

Adjusting the TTX2Air rear shock to suit your riding style and terrain is crucial for maximizing its potential. The shock offers several key adjustments: rebound, compression, and air pressure.

1. Rebound Adjustment

The rebound adjustment controls the speed at which the shock returns after being compressed. Proper rebound settings ensure the shock does not react too quickly or slowly when transitioning over bumps and obstacles.

• Turn the rebound knob counterclockwise to slow down the rebound and clockwise to speed it up.
• Begin with the factory settings and make small adjustments to fine-tune the rebound for your specific riding needs.

2. Compression Adjustment

Compression damping controls the shock’s resistance when it is compressed. This adjustment is essential for balancing ride comfort and control, especially when tackling rough terrain.

• The TTX2Air has high and low-speed compression adjustments, allowing you to fine-tune the shock’s performance.
• Start with the mid-range settings, and adjust the high-speed compression for big hits or aggressive riding and low-speed compression for smoother terrain or more pedaling support.

3. Air Pressure

The TTX2Air shock’s air spring needs to be set according to your body weight and riding style.

• Check the sag percentage, aiming for approximately 25-30% sag for most riders.
• Adjust the air pressure using the shock pump. If you’re unsure, start with the recommended pressure for your weight and adjust in small increments until you find the right balance of comfort and control.

Maintenance of the Öhlins TTX2Air Rear Shock

Routine maintenance of the TTX2Air rear shock ensures long-lasting performance and prevents any issues from arising during rides.

1. Cleaning

After every ride, wipe down the shock with a clean, dry rag. Pay special attention to the shock body and the air valve to ensure they remain free of dirt and grime.

• If you encounter muddy or wet conditions, make sure to clean the shock more thoroughly after the ride to prevent debris buildup.

2. Servicing

Öhlins recommends servicing the TTX2Air rear shock periodically to ensure smooth operation. Depending on usage, a full service might be required every 50-100 hours of riding.

• The service typically involves checking the internal seals, cleaning the shock’s internals, and replacing any worn parts.
• You can perform basic maintenance like oil changes at home, but for more intricate work, take the shock to a professional.

3. Seal Replacement

The seals in the shock are critical for preventing oil and air leaks. If you notice any loss of pressure or performance, it may be time to replace the seals. You can purchase replacement seals directly from Öhlins or an authorized dealer.

Troubleshooting Common Set-Up Issues

The Öhlins TTX2Air rear shock is a high-end component, but like any piece of equipment, it can experience common issues during set-up or use. Here are some typical problems and their solutions:

1. Loss of Air Pressure

If you notice a decrease in air pressure, inspect the air valve and the shock body for any visible signs of damage or wear. Air leakage could indicate a seal failure.

• Check the seal around the valve for wear and replace it if necessary.
• If the shock continues to lose air, it’s advisable to take the shock to a professional for a detailed inspection.

2. Rebound Not Functioning Properly

If the rebound feels too fast or too slow even after adjustments, it might be due to dirt or debris in the shock or internal oil contamination.

• Clean the shock carefully and verify that the rebound knob is correctly set.
• If the problem persists, a full internal service might be necessary to clean the damping system and replace old oil.

3. Inconsistent Ride Feel

Inconsistent performance can arise if the shock is not properly set up for your weight and riding style. Double-check the air pressure and damping settings to ensure they match your specifications.

• Make small adjustments to the compression and rebound settings to improve consistency.
• Test the shock on various terrains and make further tweaks based on ride feedback.

Customization and Optimization

To get the most out of your TTX2Air rear shock, customization is key. Below are tips for optimizing its performance:

1. Adjusting for Riding Style

• If you’re a more aggressive rider or frequently tackle technical terrain, increase the high-speed compression to prevent bottoming out.
• For smoother, cross-country rides, reduce the low-speed compression for better pedal support and comfort.

2. Fine-Tuning the Sag

Proper sag is crucial for shock performance. Too much sag results in inefficient use of the shock, while too little leads to harshness on rough trails. Use the recommended sag range, and fine-tune it based on personal preference for comfort and responsiveness.

3. Using the TTX2Air for Different Conditions

The TTX2Air offers a wide range of adjustment options, making it suitable for various riding conditions. Whether you are riding steep downhill tracks or taking on long cross-country rides, tweaking the shock’s compression and rebound settings can help you get the most out of each trail.

Compatibility with Other Drivetrain Components

The Öhlins TTX2Air rear shock is designed to work seamlessly with a variety of mountain bikes, but it’s important to ensure compatibility with your bike’s other drivetrain components, such as the front fork, wheels, and chainset.

1. Matching Front Suspension

For the best overall performance, the rear shock should be paired with a front suspension that offers similar damping characteristics. If you’re using a high-performance fork, such as the Öhlins RXF, pairing it with the TTX2Air rear shock will ensure a balanced and responsive ride.

2. Adjusting for Full Suspension Setups

When using the TTX2Air on a full-suspension bike, make sure the front and rear shocks are balanced in terms of air pressure, compression, and rebound settings. This will help create a cohesive ride feel, preventing any “disconnect” between the front and rear suspension during aggressive riding.

3. Compatibility with Frame

While the TTX2Air is versatile, always verify that your bike frame is compatible with the shock’s dimensions. The shock is designed for a wide range of bikes, but if you are unsure, consult with your bike manufacturer or an expert to confirm compatibility.