| Image | Item No. | Description |
| 41666 | Technic, Arm 1 x 7 with Gear 9 Tooth Double Bevel Ends
Catalog: Parts: Technic, Gear |
| 41667 | Technic, Arm 2 x 5 with 1/4 Gear 8 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 3647 | Technic, Gear 8 Tooth
Catalog: Parts: Technic, Gear |
| 6589 | Technic, Gear 12 Tooth Bevel
Catalog: Parts: Technic, Gear |
| 32270 | Technic, Gear 12 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 4143 | Technic, Gear 14 Tooth Bevel Thin
Catalog: Parts: Technic, Gear |
| 4019 | Technic, Gear 16 Tooth - Axle Hole with Open Sides
Catalog: Parts: Technic, Gear |
| 32198 | Technic, Gear 20 Tooth Bevel
Catalog: Parts: Technic, Gear |
| 32269 | Technic, Gear 20 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 3650 | Technic, Gear 24 Tooth Crown (Undetermined Type)
Catalog: Parts: Technic, Gear |
| 3650a | Technic, Gear 24 Tooth Crown - Not Reinforced
Catalog: Parts: Technic, Gear |
| 3650b | Technic, Gear 24 Tooth Crown - Reinforced
Catalog: Parts: Technic, Gear |
| 3648 | Technic, Gear 24 Tooth with 1 Axle Hole
Catalog: Parts: Technic, Gear |
| x187 | Technic, Gear 24 Tooth with 3 Axle Holes
Catalog: Parts: Technic, Gear |
| 32498 | Technic, Gear 36 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 3649 | Technic, Gear 40 Tooth
Catalog: Parts: Technic, Gear |
| 73071 | Technic, Gear Differential 28 Tooth
Catalog: Parts: Technic, Gear |
| 6574 | Technic, Gear Rack 1 x 2 with 2 Tow Ball
Catalog: Parts: Technic, Gear |
| 3743 | Technic, Gear Rack 1 x 4
Catalog: Parts: Technic, Gear |
| 6630 | Technic, Gear Rack 1 x 8 with Holes
Catalog: Parts: Technic, Gear |
| 6592 | Technic, Gear Rack 1 x 10 with Holes
Catalog: Parts: Technic, Gear |
| 32185 | Technic, Gear Rack 1 x 14 with Holes
Catalog: Parts: Technic, Gear |
| x186 | Technic, Gear Reduction Block 20x, 3 x 4 x 2 1/3
Catalog: Parts: Technic, Gear |
| 32060 | Technic, Gear Timing Wheel 8 Tooth
Catalog: Parts: Technic, Gear |
| 4716 | Technic, Gear Worm Screw, Long
Catalog: Parts: Technic, Gear |
| 768 | Technic, Gearbox 2 x 4 x 3
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 |