Before revision: Wheelie bar The wheelie bar (foreground) and parachute (gray) on Kenny Bernstein's Top Fuel dragster Wheelie bars on a drag racing Pro Stock Motorcycle A wheelie bar helps prevent a vehicle's front end from raising too high or flipping over.
After revision: Wheelie bar The wheelie bar (foreground) and parachute (gray) on Kenny Bernstein's Top Fuel dragster A wheelie bar on a drag racing Pro Stock Motorcycle A wheelie bar helps prevent a vehicle's front end from raising too high or flipping over.