Related Clues:

• Linchpin's setting
• One of two on a car
• Chassis rod
• Drivetrain element
• Prop on 'The Price Is Right'
• Part of a wheelset
• Revolutionary invention
• A unicycle has one
• Car shaft
• Bar in a car
• Wheel thing
• Bike feature
• Wheel-connecting bar
• Pulley component
• Auto-shop shaft