CHANGE REGION
Sign Up
Sign In
Lessons
|
Building Tips
|
Glossary
Sign in to view My Badges
Gear
Gear Ratio
Gear Train
Gear
A
gear
is used to transfer power or movement from one part of a LEGO model to another part of the model. TECHNIC gears come in many diameters, and their sizes range from the small 8-tooth gear up to a 40-tooth gear.