drivetrain

Etymology

From drive + train.

noun

  1. (mechanical engineering) The mechanical parts of the powertrain, the gears and shafts, that connect the engine to the wheels in a vehicle.
    If you wait until later, your drivetrain is liable to misshift under the hard pedaling load. 1990, Joe Kita, Bicycling Magazine's New Bike Owner's Guide, page 28

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