Image | Item No. | Description |
| 3647 | Technic, Gear 8 Tooth Catalog: Parts: Technic, Gear |
| 6589 | Technic, Gear 12 Tooth Bevel Catalog: Parts: Technic, Gear |
| 69762 | Technic, Gear 14 Tooth Bevel Thick Catalog: Parts: Technic, Gear |
| 69761 | Technic, Gear 22 Tooth Bevel Catalog: Parts: Technic, Gear |
| 3648 | Technic, Gear 24 Tooth with 1 Axle Hole Catalog: Parts: Technic, Gear |
| 46372 | Technic, Gear 28 Tooth Double Bevel Catalog: Parts: Technic, Gear |
| g21 | Technic, Gear Expert Builder 21 Tooth with Axle Hole Catalog: Parts: Technic, Gear |
| 18940 | Technic, Gear Rack 1 x 14 x 2 Housing Catalog: Parts: Technic, Gear |
| 24121 | Technic, Gear Rack 11 x 11 Curved Catalog: Parts: Technic, Gear |
| 24121pb001L | Technic, Gear Rack 11 x 11 Curved with Crushing Hazard Danger Sign and Red and White Danger Stripes Pattern Model Left Side (Stickers) - Set 42055 Catalog: Parts: Technic, Gear |
| 24121pb001R | Technic, Gear Rack 11 x 11 Curved with Crushing Hazard Danger Sign and Red and White Danger Stripes Pattern Model Right Side (Stickers) - Set 42055 Catalog: Parts: Technic, Gear |
| 2474 | Technic, Gear Ratchet 8 Tooth Catalog: Parts: Technic, Gear |
| 742 | Technic, Gear Samsonite 21 Tooth Catalog: Parts: Technic, Gear |
| 4716 | Technic, Gear Worm Screw, Long Catalog: Parts: Technic, Gear |
| 6588 | Technic, Gearbox 2 x 4 x 3 1/3 Catalog: Parts: Technic, Gear |
| 6585 | Technic, Gearbox 4 x 4 x 1 2/3 Catalog: Parts: Technic, Gear |
| 32166 | Technic, Gearbox Half Catalog: Parts: Technic, Gear |