| Number | Name | Brand | Fit |
|---|
| 53405 | 0.4 Pinion Gear | Tamiya | direct |
| 53406 | 37T Pinion Gear | Tamiya | direct |
| 53407 | 04 Pinion Gear (38T, 39T) | Tamiya | direct |
| 53420 | 0.4 Pinion Gear (40T, 41T) | Tamiya | direct |
| 53690 | 0.4 Pinion Gear (30T, 31T) | Tamiya | direct |
| 53691 | 0.4 Pinion Gear (32T, 33T) | Tamiya | direct |