Gear - Gros
- Gear
- Gear changing (gear change)
- Gear cluster
- Gear drive
- Gear level
- Gear pump
- Gear ratio
- Gear train
- Gear wheel
- Gear-shift fork
- Gear-shift level
- Gear-shifting diagram
- Gearbox
- Gearbox brake
- Gearbox ratios
- Gearing down
- Gearing ratio
- Gearing up
- Generator (electric generator)
