+A **gear train** is an assembly of two or more [Gears](/wiki/gear) meshed together to transmit motion and power. This mechanical system efficiently alters [Rotation](/wiki/rotation) speed and torque, serving as a fundamental component in countless machines.
+## See also
+- [Gear](/wiki/gear)
+- [Mechanism](/wiki/mechanism)
+- [Torque](/wiki/torque)
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