Here is a product installation guide in English:

Installation Guide for Lower Arm Set Front Rear for 1:10 RC Desert Off-road Vehicles Compatible with ZD Racing DBX-10 Metal Upgrade Parts

Tools Required:

• Allen wrench (2mm, 3mm)
• Torx screwdriver (T10)
• Pliers (needle-nose)
• Screwdriver (flathead)
  *Safety glasses
• Work surface

Step 1: Prepare the Vehicle

Before starting the installation, ensure the vehicle is clean and free of debris. Remove any protective covering or packaging from the new lower arm set.

Step 2: Remove the Old Lower Arms

1. Locate the old lower arms and remove the screws holding them in place using an Allen wrench (2mm).
2. Gently pull out the old lower arms from the suspension mounts.
3. Remove any remaining screws or clips holding the old lower arms in place.

Step 3: Install the New Lower Arms

1. Take the new lower arms and insert them into the suspension mounts.
2. Use the Allen wrench (2mm) to screw the new lower arms into place.
3. Ensure the new lower arms are securely fastened to the suspension mounts.

Step 4: Reattach the Suspension Mounts

1. Reattach the suspension mounts to the new lower arms using the Torx screwdriver (T10).
2. Tighten the screws securely to ensure proper alignment.

Step 5: Test and Adjust

1. Test the vehicle's suspension by driving it on a flat surface.
2. Adjust the suspension as needed to achieve optimal performance.

Tips and Precautions:

• Use a soft cloth to clean any dirt or debris from the threads of the screws.
• Avoid overtightening screws, which can damage the threads or surrounding material.
• If you encounter any issues or damage during installation, consult a professional mechanic or the manufacturer's support team.

By following these steps and using the required tools, you should be able to successfully install the Lower Arm Set Front Rear for 1:10 RC Desert Off-road Vehicles Compatible with ZD Racing DBX-10 Metal Upgrade Parts.