Related Clues:

• Bar on which wheels rotate
• Shelf supporter
• Rod on a rig
• Rod that holds two wheels
• Car wheel shaft
• Shaft above the road
• What a drivetrain connects to
• Wheel-supporting shaft
• Across to the French bar on wheels
• Rod on a car
• Car wheels' connector
• Rotating shaft
• Round peg
• Rod on a hot rod
• Linchpin locale