Related Clues:
- Bikes have them
- Corvette quartet
- Set out on the highway?
- Grooves of tires
- Baldness is the result of losing them
- Wheel coverings
- Needs rejuvenating
- & 35. Exhausts
- Features of snow boots and Sno-Cats
- Road rotators
- Runs low on energy
- Tire marks
- They might be hung as swings
- Foursome on a golf cart
- Rotation targets