- GEARS
- Bevel and worm
- First and reverse
- They're often switched
- What a shift shifts
- Popular Xbox war-game franchise, briefly
- Cogwheels
- Clockwork contents
- First, second, and third, but not home
- Let me change ___ here ...
- Machine innards
- What a derailleur interacts with
- Bike settings
- Park and neutral, e.g.
- They may be engaged or jam
- Transmission heart
- Stick-shift selections
- First, second, etc.
- PRNDL picks
- Transmission components
- Pinions, e.g.
- Watch innards
- Drive and reverse
- First, second, and reverse
- Toothed wheels
- Engaging parts
- Forward and reverse
- Four-on-the floor quartet
- Clockwork components
- Transmission options
- They may be switched
- They can be shifted
- Auto transmission elements
- Bicycle parts
- Ten-speed parts
- Toothed machine parts
- Five-speed options
- Video game franchise ___ of War
- These aren't shiftless
- Transmission adjustments
- Equips
- Meshing parts
- Gets ready, with "up"
- They have teeth
- Shifting objects
- They're meant to be engaged
- Shifting things
- They're shifted
- Transmission units
- Four-on-the-floor options
- Shifted car parts
- Park and drive
- First, second and third
- They're changed on the road
- They're shifted often in cities
- Biking selections
- See 16-Down
- They may be shifted
- Clock components
- Prepares, with "up"
- Car-transmission settings
- Neutral and reverse
- Transmission settings
- They may be engaged
- Transmission choices
- Car transmission selections
- Customizes
- Auto transmission choices
- Racing bike selections
- Car transmission choices
- Machine parts with teeth
- They'll need to be shifted
- Four-on-the-floor foursome
- First and second, e.g.
- Shifts, with "down"
- Three-speed threesome
- A shift lever changes them
- They're changed while the clutch is depressed
- Cogs.
- Mechanisms for transmitting motion.
- They're operated by a clutch.
- Parts of an automobile.
- Parts of a mechanism.
- Harnesses.
- Mechanisms.
- Engine parts.
- Wheels of a sort.
- High and low.
- Low and high.
- Accessory mechanisms.
- Motor components.
- They work when engaged
- Adjusts
- High and reverse, e.g.
- Low and reverse
- High, low and neutral
- Steering and landing
- Machine parts
- Auto parts
- Car parts
- These make a mesh
- They make a mesh
- ___ up (accelerates production)
- First and reverse, e.g.
- Items to be shifted
- Transmission parts
- Things to shift
- Adapts for special use
- First, second, reverse, etc.
- They may be stripped
- They may be shifted or stripped
- Subjects of ratios
- They're sometimes stripped
- Attunes
- You may use a stick for these
- They may get engaged
- First, second, third and reverse
- See 8-Across
- Shifty ones?
- Set for biking
- The ten of a ten-speed
- They have strong teeth
- Reverse and others
- They have pointy teeth
- They may be switched while cycling
- Clock innards
- Steampunk adornments
- A ten-speed has ten
- Wheels with cogs
- They're occasionally stripped
- Items turning inside a cartoon character's brain
- They may be stripped or shifted
- They're engaged!
- Park and first, for two
- They may be stripped by new drivers
- First, low and reverse
- Ten-speed workings
- A stick shift changes them
- K'NEX pieces with teeth
- Their teeth may grind
- Automotive mechanisms
- Motor parts
- ___ up: gets ready
- First and second, for two
- Transmission innards
- Drive and park
- First, second et al.
- They often get engaged
- Shifter's selections
- Cars and bikes have them
- Rolex innards
- First and second
- Rolex components
- They work in shifts
- Clockwork, essentially
- Shifty things?