A pinion gear is usually the smallest gear in the gear train at the input and handles the least amount of torque. It is usually be mounted onto a shaft and transmit power indirectly to the output gear.
| Type | Pinion Plastic Gear |
| Module | M0.1 - M2.0 |
| Material | Polyacetal (POM) / Nylon |
| Bore | Ø1.40mm/ Ø1.90mm/ Ø2.05mm/ Ø2.40mm/ Ø2.55mm / Ø2.90mm/ Ø3.05mm (Flexible) |
| Outer Diameter | Ø2.0mm - Ø50.0mm (Flexible) |
| Face Width (L) | 2.0mm - 10.0mm (Flexible) |