| Image | Item No. | Description | By |
| 41666 | Technic, Arm 1 x 7 with Gear 9 Tooth Double Bevel Ends
Catalog: Parts: Technic, Gear | 2 |
| 3647 | Technic, Gear 8 Tooth
Catalog: Parts: Technic, Gear | 381 |
| 10928 | Technic, Gear 8 Tooth with Dual Face
Catalog: Parts: Technic, Gear | 57 |
| 11955 | Technic, Gear 8 Tooth with Dual Face without Friction
Catalog: Parts: Technic, Gear | 4620 |
| 69778 | Technic, Gear 12 Tooth
Catalog: Parts: Technic, Gear | 2 |
| 6589 | Technic, Gear 12 Tooth Bevel
Catalog: Parts: Technic, Gear | 1742 |
| 32270 | Technic, Gear 12 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 21 |
| 4143 | Technic, Gear 14 Tooth Bevel Thin
Catalog: Parts: Technic, Gear | 277 |
| 94925 | Technic, Gear 16 Tooth - Axle Hole with Closed Sides
Catalog: Parts: Technic, Gear | 15 |
| 4019 | Technic, Gear 16 Tooth - Axle Hole with Open Sides
Catalog: Parts: Technic, Gear | 260 |
| 6542 | Technic, Gear 16 Tooth with Clutch
Catalog: Parts: Technic, Gear | 3 |
| 18946 | Technic, Gear 16 Tooth with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 28643 |
| 6542b | Technic, Gear 16 Tooth with Clutch, Smooth
Catalog: Parts: Technic, Gear | 13 |
| 69779 | Technic, Gear 20 Tooth
Catalog: Parts: Technic, Gear | 3 |
| 32198 | Technic, Gear 20 Tooth Bevel
Catalog: Parts: Technic, Gear | 33 |
| 87407 | Technic, Gear 20 Tooth Bevel with Pin Hole
Catalog: Parts: Technic, Gear | 4 |
| 32269 | Technic, Gear 20 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 44 |
| 35185 | Technic, Gear 20 Tooth Double Bevel with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 3 |
| 69761 | Technic, Gear 22 Tooth Bevel
Catalog: Parts: Technic, Gear | 1 |
| 60c01 | Technic, Gear 24 Tooth Clutch
Catalog: Parts: Technic, Gear | 5 |
| 3650 | Technic, Gear 24 Tooth Crown (Undetermined Type)
Catalog: Parts: Technic, Gear | 1 |
| 3650b | Technic, Gear 24 Tooth Crown - Reinforced
Catalog: Parts: Technic, Gear | 12 |
| 3648 | Technic, Gear 24 Tooth with 1 Axle Hole
Catalog: Parts: Technic, Gear | 305 |
| x187 | Technic, Gear 24 Tooth with 3 Axle Holes
Catalog: Parts: Technic, Gear | 7 |
| 2471 | Technic, Gear 24 Tooth with Clutch on Both Sides
Catalog: Parts: Technic, Gear | 278 |
| 46372 | Technic, Gear 28 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 11 |
| 65413 | Technic, Gear 28 Tooth Double Bevel with Pin Hole
Catalog: Parts: Technic, Gear | 4361 |
| 32498 | Technic, Gear 36 Tooth Double Bevel
Catalog: Parts: Technic, Gear | 6 |
| 3649 | Technic, Gear 40 Tooth
Catalog: Parts: Technic, Gear | 364 |
| 62821b | Technic, Gear Differential 28 Tooth Bevel - Inner Tabs with Closed Center
Catalog: Parts: Technic, Gear | 4 |
| 6573 | Technic, Gear Differential 24-16 Tooth
Catalog: Parts: Technic, Gear | 2334 |
| g9 | Technic, Gear Expert Builder 9 Tooth with Axle Hole
Catalog: Parts: Technic, Gear | 487 |
| g15 | Technic, Gear Expert Builder 15 Tooth with Axle Hole
Catalog: Parts: Technic, Gear | 1 |
| 3743 | Technic, Gear Rack 1 x 4
Catalog: Parts: Technic, Gear | 55 |
| 87761 | Technic, Gear Rack 1 x 7 with Axle and Pin Holes
Catalog: Parts: Technic, Gear | 5 |
| 6630 | Technic, Gear Rack 1 x 8 with Holes
Catalog: Parts: Technic, Gear | 1 |
| 6592 | Technic, Gear Rack 1 x 10 with Holes
Catalog: Parts: Technic, Gear | 2 |
| 18940 | Technic, Gear Rack 1 x 14 x 2 Housing
Catalog: Parts: Technic, Gear | 2519 |
| 18940pb02a | Technic, Gear Rack 1 x 14 x 2 Housing with Black and Yellow Danger Stripes Pattern 1 (Sticker) - Set 42070
Catalog: Parts: Technic, Gear | 9 |
| 18940pb02b | Technic, Gear Rack 1 x 14 x 2 Housing with Black and Yellow Danger Stripes Pattern 2 (Sticker) - Set 42070
Catalog: Parts: Technic, Gear | 7 |
| 18942 | Technic, Gear Rack 1 x 14 x 2 with Axle and Pin Holes
Catalog: Parts: Technic, Gear | 1 |
| 24121 | Technic, Gear Rack 11 x 11 Curved
Catalog: Parts: Technic, Gear | 3 |
| 743 | Technic, Gear Samsonite 35 Tooth
Catalog: Parts: Technic, Gear | 4 |
| 744 | Technic, Gear Samsonite 42 Tooth
Catalog: Parts: Technic, Gear | 123 |
| 32060 | Technic, Gear Timing Wheel 8 Tooth
Catalog: Parts: Technic, Gear | 1 |
| 73763 | Technic, Gear Worm Screw 6L
Catalog: Parts: Technic, Gear | 1 |
| 15457 | Technic, Gear Worm Screw with 2 Bushes
Catalog: Parts: Technic, Gear | 1 |
| 4716 | Technic, Gear Worm Screw, Long
Catalog: Parts: Technic, Gear | 108 |
| 32905 | Technic, Gear Worm Screw, Long, Axle Opening Type II
Catalog: Parts: Technic, Gear | 33 |
| 27938 | Technic, Gear Worm Screw, Short
Catalog: Parts: Technic, Gear | 6 |