Related Clues:

• Running shoe features
• Auto mechanics rotate them
• Gets weary
• Two on a bicycle
• Loses steam
• Bridgestones or Michelins
• They thrive on inflation
• They're worn on road trips
• Turnpike rollers
• Road runners
• Bicycle wheels
• Bicycle rollers
• Spares, e.g.
• Convertible quintet
• They may roll off the production line