Related Clues:

• Turnpike roller
• Lose interest
• Need to take a break
• Get knocked out
• Ring to ride on
• It's worn on a road trip
• It may go flat
• See 64 Across
• Tucker out
• Unicycle need
• It may eventually become bald
• Run out of energy
• Lose energy
• Place for studs
• Many have a spare one in the middle