Answer: GEARS

AnswerCrossword Clue
GEARSThey can be shifted
GEARSWatch innards
GEARSDrive and reverse
GEARSFirst, second, and reverse
GEARSToothed wheels
GEARSEngaging parts
GEARSForward and reverse
GEARSFour-on-the floor quartet
GEARSClockwork components
GEARSTransmission options
GEARSThey may be switched
GEARSPark and drive
GEARSFive-speed options
GEARSAuto transmission elements
GEARSBicycle parts
GEARSToothed machine parts
GEARSVideo game franchise ... of War
GEARSThese aren't shiftless
GEARSTransmission adjustments
GEARSEquips
gearsto provide with or connect by gears
GEARSTen-speed parts
GEARSFirst and reverse
GEARSThey're often switched
GEARSWhat a shift shifts
GEARSTransmission heart
GEARSStick-shift selections
GEARSFirst, second, etc.
GEARSPRNDL picks
GEARSCogwheels
GEARSGets ready, with "up"
GEARSBevel and worm
GEARSThey have teeth
GEARSThey're meant to be engaged
GEARSTransmission components
GEARSShifting things
GEARSMeshing parts
GEARSThey're shifted
GEARSTransmission units
GEARSFour-on-the-floor options