| Image | Item No. | Description |
| 41667 | Technic, Arm 2 x 5 with 1/4 Gear 8 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 24014 | Technic, Arm with Gear 8 Tooth and 1.5L Axle
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 |
| 94925 | Technic, Gear 16 Tooth - Axle Hole with Closed Sides
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 |
| 87407 | Technic, Gear 20 Tooth Bevel with Pin Hole
Catalog: Parts: Technic, Gear |
| 32269 | Technic, Gear 20 Tooth Double Bevel
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 |
| 46372 | Technic, Gear 28 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 32498 | Technic, Gear 36 Tooth Double Bevel
Catalog: Parts: Technic, Gear |
| 3649 | Technic, Gear 40 Tooth
Catalog: Parts: Technic, Gear |
| 65414 | Technic, Gear Differential Housing
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 |
| 6592 | Technic, Gear Rack 1 x 10 with Holes
Catalog: Parts: Technic, Gear |
| 18940 | Technic, Gear Rack 1 x 14 x 2 Housing
Catalog: Parts: Technic, Gear |
| 18940pb01a | Technic, Gear Rack 1 x 14 x 2 Housing with Black and Yellow Danger Stripes Pattern Front Side (Sticker) - Set 42078
Catalog: Parts: Technic, Gear |
| 18940pb01b | Technic, Gear Rack 1 x 14 x 2 Housing with Black and Yellow Danger Stripes Pattern Rear Side (Sticker) - Set 42078
Catalog: Parts: Technic, Gear |
| 78442 | Technic, Gear Rack 6 x 6 Curved
Catalog: Parts: Technic, Gear |
| 32060 | Technic, Gear Timing Wheel 8 Tooth
Catalog: Parts: Technic, Gear |
| 73763 | Technic, Gear Worm Screw 6L
Catalog: Parts: Technic, Gear |
| 4716 | Technic, Gear Worm Screw, Long
Catalog: Parts: Technic, Gear |
| 32905 | Technic, Gear Worm Screw, Long, Axle Opening Type II
Catalog: Parts: Technic, Gear |