Related Clues:

• Wheel rods
• Bars between wheels
• Toll units for semis
• Drivetrain shafts
• Couple on the road?
• Porsche pair
• Bars on the road
• Rolls-Royce rods
• Factors in turnpike tolls
• Parts of cars and yo-yos
• Beetle bars
• Choppers bearing large mechanical parts
• Turnpike toll factor
• Wheel spindles
• Three or more on a semi