also :

1. ball bearing,
2. hollow carbon
3. lt weight diff ball (not carbide)
4. and will add ss supension shaft, so I can remove the middle screw on each lower arm (does it legal for TCS).

5. also remove the battery holder and using velcro strap to retain the stickpack (is it legal)

6. lt weight kingpin from TA02

About the pinion, I use the 53509 20T hard coated because the std one, will strip fast using ball diff.


... thx