| Number | Name | Brand | Fit |
|---|
| FM341 | 5.8mm Ball | Kyosho | direct |
| FM426 | 7.8mm Flanged Ball (w/3mm hole) | Kyosho | direct |
| UM112 | 4.8mm Ball End Cap | Kyosho | direct |
| UM128 | 4.8mm Ball Stad (L) | Kyosho | direct |
| W0158 | 5.8mm Flanged Hard Ball (3mmT) | Kyosho | direct |
| UM129 | 4.8mm Ball Stad (S) discontinued | Kyosho | direct |
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