1. This term refers to the entire moving part of the car: Engine, clutch , transmission , driveshaft , differential , axles, and sometimes the wheels.
2. The derailleurs , chain , freewheel , and crankset of a bicycle .
DRIVE TRAIN
Meaning of DRIVE TRAIN in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012