Device major function & usage:
Adjust the wheel track by adjusting along tie rods.
1. Spring steel product is stronger to utilize specially if the chassis links are upgrading and down with stress.
2. The wheel track is adjusted by tuning across the tie rods to complement different playing mode.
3. Each tie pole could be modified to 1.2mm paid off than original and 3mm much longer than original
Use with original ball prevents.