| Number | Name | Brand | Fit |
|---|
| RMT043 | 11mm Ball | Primal RC | direct · Listed in the 1/5 Primal MT v4 manual parts list |
| RMT129 | Ball end 11mm | Primal RC | direct · Listed in the 1/5 Primal MT v4 manual parts list |
| RMT173 | 10mm Shock ballend | Primal RC | direct · Listed in the 1/5 Primal MT v4 manual parts list |