drivetrain
nounUK /ˈdraɪv.treɪn/
US /ˈdraɪv.treɪn/
The parts of a car or bike that send power to the wheels so it can move.
The mechanic checked the drivetrain to make sure the car could move smoothly.
RELATED WORDS
OTHER MEANINGS
2. The parts of a bicycle that move the chain and wheels, like the pedals, chain, and gears.
He cleaned the bike's drivetrain after riding through mud.
3. The system in a machine that carries power from the motor to the moving parts.
The factory robot's drivetrain needed new belts.
4. The collection of components that deliver engine power to the road in a vehicle.
All-wheel drive sends power through the drivetrain to all four wheels.